{
  "about": "S4RCIV signed observation-log checkpoints (C2SP signed-note). Pull and verify with the published key; S4RCIV never pushes. See the repository / ADR-000019.",
  "checkpoints": [
    {
      "throughSeq": 4280,
      "treeSize": 4280,
      "rootHash": "ba14d7fa4e59c8a1a911c9f9df56678a020f6188f42b93e50dc6bc6592bb5454",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-11T17:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4280\nuhTX+k5ZyKGpEcn531ZnigIPYYj0K5PlDca8ZZK7VFQ=\n\n— s4rciv-checkpoint sHLQXn22b1Dcvty9l+1SujvP3gT7uA5TOxCKhgHwvTrkEuoQwF9Xv+OHGT80T6lCC8IDJ+sAn2XtyEOvSn9fDi8PZwc=\n"
    },
    {
      "throughSeq": 4279,
      "treeSize": 4279,
      "rootHash": "8ab0dc1f60a11e1e104a4b64dc2f9b094e7044d879922de6588d4f1f5eed5171",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-11T04:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4279\nirDcH2ChHh4QSktk3C+bCU5wRNh5ki3mWI1PH17tUXE=\n\n— s4rciv-checkpoint sHLQXqqHJ24uj+QOMvzhO9Y9yOtmJcc43OQUQ3hj6HsRV76Mo9IB5uoZKEywmPSKomH6usimFMeGMAf8iAIjpenVVA4=\n"
    },
    {
      "throughSeq": 4276,
      "treeSize": 4276,
      "rootHash": "a941b93d818f91a2506e2899533eac99761a3c64547aaf4e4d0925868c5c6455",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-10T18:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4276\nqUG5PYGPkaJQbiiZUz6smXYaPGRUeq9OTQklhoxcZFU=\n\n— s4rciv-checkpoint sHLQXvTkgg/YrgILcv3AAjE7Zu0DaXuL6shuSHwQ1PpZLjWxljtVu5gIMZ/XXYnwL9ZjUUBa4Do2pB3/I9rwRQT/Ogg=\n"
    },
    {
      "throughSeq": 4265,
      "treeSize": 4265,
      "rootHash": "bb89958569481eba0015cbf11ef1d76b3bd8d60e95c27204169d12e1b1bcffa3",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-10T17:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4265\nu4mVhWlIHroAFcvxHvHXazvY1g6VwnIEFp0S4bG8/6M=\n\n— s4rciv-checkpoint sHLQXihcN9XmbF341Yz3SYZtYZipkgIHctrZHs9PTjUKwrZHwg7K6SYOkJs3FyM6esXDWONpnXODH+8WVxfKi1LAzA8=\n"
    },
    {
      "throughSeq": 4263,
      "treeSize": 4263,
      "rootHash": "b51aa6e1840380367a969c79755d0d800b07bf8495cb08e933099f059eb1a96a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-10T11:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4263\ntRqm4YQDgDZ6lpx5dV0NgAsHv4SVywjpMwmfBZ6xqWo=\n\n— s4rciv-checkpoint sHLQXhgeTDCcUYsGobfFRbM95whiQVpAKEsukRHXmBsNOvpzM6IdiSq6x9eq/h7BjfVaR76ANK00gRsBnTnYVb+DpQU=\n"
    },
    {
      "throughSeq": 4262,
      "treeSize": 4262,
      "rootHash": "6a4f667d1a1b215ccf517d0146c899c8b4fd93b36533bcc403a8171bdaa293a7",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-10T04:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4262\nak9mfRobIVzPUX0BRsiZyLT9k7NlM7zEA6gXG9qik6c=\n\n— s4rciv-checkpoint sHLQXnbDIawe7SU5UiZ6NNAjCDswiLEbJBTh1L8QN4espIsJolRCjkO1JuUY2xpEV4qJFKSyUeEttbs985osU+iFlwk=\n"
    },
    {
      "throughSeq": 4259,
      "treeSize": 4259,
      "rootHash": "33a7b9d29062ec85ef1385fc3843f7e259490a958b814511889d04243ab68606",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-10T02:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4259\nM6e50pBi7IXvE4X8OEP34llJCpWLgUURiJ0EJDq2hgY=\n\n— s4rciv-checkpoint sHLQXjuqWXr0UQVtMGg6MabHMxS3+j5tsrznlXXIiJfI07OH+JHIEr4dZH0IhqH8LXcHQE/6YkiaSjIlF5SbzXHYAwo=\n"
    },
    {
      "throughSeq": 4258,
      "treeSize": 4258,
      "rootHash": "14d26450ec2deaa729574122c166bd6e486ad84814fb63dfde386aedad2d59a4",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-09T23:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4258\nFNJkUOwt6qcpV0EiwWa9bkhq2EgU+2Pf3jhq7a0tWaQ=\n\n— s4rciv-checkpoint sHLQXqqpTCF1Oz57kK8BxH8FWRwykm+cX+uCC/dc2aeuIQILObYlT0WwZNrB/ipP4Bl2s+0LbRZp+rLWlDvMQ2FUPgY=\n"
    },
    {
      "throughSeq": 4257,
      "treeSize": 4257,
      "rootHash": "6601bdf945d62f8be2dfd8f043298f979eaf293587e402e9f228ce14a8487e62",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-09T18:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4257\nZgG9+UXWL4vi39jwQymPl56vKTWH5ALp8ijOFKhIfmI=\n\n— s4rciv-checkpoint sHLQXozM+wfUBLLLcFnVSSlUqfs9eukf+oiPzjR/IKbDAfhAVXihzy4iMjWoXAmQoOtpHIkr3Cr9DUc6H3ntrKBEnQU=\n"
    },
    {
      "throughSeq": 4239,
      "treeSize": 4239,
      "rootHash": "234d6c90befbcd39994ae543ffcbe0bcebd9c952e2989b7d5f4c3fd538a0eb98",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-09T04:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4239\nI01skL77zTmZSuVD/8vgvOvZyVLimJt9X0w/1Tig65g=\n\n— s4rciv-checkpoint sHLQXoF009PM+Cd60CwT5Xx8BtWnFuZdvtpgKfmw4Y3t7r85kABCG2APtt3DKxQuzepyQXgvRl7HXOg1Xn6PD39uAwc=\n"
    },
    {
      "throughSeq": 4236,
      "treeSize": 4236,
      "rootHash": "e4d46f72647dcfcaf6d4374b4662a851129522d3bf1c43b3c933db58ce67529c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-09T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4236\n5NRvcmR9z8r21DdLRmKoURKVItO/HEOzyTPbWM5nUpw=\n\n— s4rciv-checkpoint sHLQXs5ZYnGseiK9Q/zuzB6WrHmg+DxkpEIBIhERTfbLw+Gm6L2RrigDhNzzOv6BeFGRFc+GTs0KQNd9nR4U5y/49g0=\n"
    },
    {
      "throughSeq": 4234,
      "treeSize": 4234,
      "rootHash": "96b33f9c47ae172b9f3f67b352603e76c9a92b01384a4e7078d379861be4ef54",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-09T00:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4234\nlrM/nEeuFyufP2ezUmA+dsmpKwE4Sk5weNN5hhvk71Q=\n\n— s4rciv-checkpoint sHLQXqKzCcGfJzWLHmsz4n3pH3ohxOAaAhUduXTXawG6HX4boJFgeLljW7yLBRyzAO6v6WemsGLPVzUdQlvkwzpenwc=\n"
    },
    {
      "throughSeq": 4233,
      "treeSize": 4233,
      "rootHash": "2bd2a6b74846d62f12874616c52f7da46b8f26caf2605a95fc4a03351f6df2aa",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-08T20:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4233\nK9Kmt0hG1i8Sh0YWxS99pGuPJsryYFqV/EoDNR9t8qo=\n\n— s4rciv-checkpoint sHLQXg/vRebNcJwomNo/q0pfTu0Aqu7ofMDo3WboRolclVlx4EnuG1OQiLRDlpgL/rz6kcTFsHPw+/0zXmoELQk4jwI=\n"
    },
    {
      "throughSeq": 4232,
      "treeSize": 4232,
      "rootHash": "bdfb33fe8b18579b59b309c98bf383a80cf631ab2be6f47dec8f9c059bc13acd",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-08T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4232\nvfsz/osYV5tZswnJi/ODqAz2Masr5vR97I+cBZvBOs0=\n\n— s4rciv-checkpoint sHLQXhDY6+fKj1OFlEj/rVw+5/OH2s0Xx14sQRAJHLZUo27o2qt0k3Bz19AhrTiYKCE/EzZEC7IkU7jQKSN5dyE6dAQ=\n"
    },
    {
      "throughSeq": 4218,
      "treeSize": 4218,
      "rootHash": "145952ec71ff7c2fe3c85a98dbb0d76607206d3bd240aeb6cbbe18d6fdf81a98",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-08T17:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4218\nFFlS7HH/fC/jyFqY27DXZgcgbTvSQK62y74Y1v34Gpg=\n\n— s4rciv-checkpoint sHLQXhqgxAbCSr9GYc225KAFGLuqOzVlQf0ucXoMLSFjYJVA8YR7E0wrJtD/oKJZXLvDIGJ1XhtF+J+wtg59XMo+nQw=\n"
    },
    {
      "throughSeq": 4215,
      "treeSize": 4215,
      "rootHash": "dd7697b024a6ee69507d25adaaaef044beddd46fc8ea5ffe3c863a5ab5586db9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-08T12:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4215\n3XaXsCSm7mlQfSWtqq7wRL7d1G/I6l/+PIY6WrVYbbk=\n\n— s4rciv-checkpoint sHLQXh7y8Bicbhkna03AvYx4asjqJbNmxP/tFjeUJLNNHe495S9sAx48JHIvF38rS7yK66riEDsLRL9ZVMduM0hHgwo=\n"
    },
    {
      "throughSeq": 4214,
      "treeSize": 4214,
      "rootHash": "d3d8e68a8628d24de9acc4237652658d56b40ed9c8e804b15d560aef54407fc0",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-08T09:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4214\n09jmioYo0k3prMQjdlJljVa0DtnI6ASxXVYK71RAf8A=\n\n— s4rciv-checkpoint sHLQXsssQ9M3QPTuSyrOdJZK8h3SVYpL22TgCKA7ektkdb/2lx+b4fgSRDz8+lEwtCRxQfaeqY9CtwU4oVHKVvp7PwU=\n"
    },
    {
      "throughSeq": 4213,
      "treeSize": 4213,
      "rootHash": "3b34e42a071a4d6261dc38b086f2302d615f0aa97583f94dee725e8c90c43106",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-08T08:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4213\nOzTkKgcaTWJh3DiwhvIwLWFfCql1g/lN7nJejJDEMQY=\n\n— s4rciv-checkpoint sHLQXonOdfRDXLWW4wVlus0ZWEfs1CBh5lwdkhFmGPd6jQhVeIBGHKlcySOoyfRuCymmtn7vabGoYWPZbsjy1nSwTQE=\n"
    },
    {
      "throughSeq": 4212,
      "treeSize": 4212,
      "rootHash": "f679c632ef6301505c43395b3690e39294ca90994d2a7ec97f38d35d258fb3e2",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-08T04:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4212\n9nnGMu9jAVBcQzlbNpDjkpTKkJlNKn7JfzjTXSWPs+I=\n\n— s4rciv-checkpoint sHLQXnxOQlspdN4UncNZupuPtxxOa/olfLHgTQmsGydsO48bYrHl+TlcJuNZX/CerNnADhmPamDiVN1RAldxKzowlQY=\n"
    },
    {
      "throughSeq": 4203,
      "treeSize": 4203,
      "rootHash": "56f0e6d1cff944bb8d4a1e6c6f0ba44b387e13acc0a1a04dec313f4b213cdd6c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-07T18:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4203\nVvDm0c/5RLuNSh5sbwukSzh+E6zAoaBN7DE/SyE83Ww=\n\n— s4rciv-checkpoint sHLQXoMwtmOu0jZrtYeSGlo2c4zK/I+YRpo5fcXyMu7DFL4mWLIITbxrGi8HnMiMfpwR8pYFk6o3BG0sbO4NvAD/7g0=\n"
    },
    {
      "throughSeq": 4189,
      "treeSize": 4189,
      "rootHash": "9be42f558dadb0a819dbcda594fc6fdb017f65ceb313cdc95b02f33f5f91bd2b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-07T17:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4189\nm+QvVY2tsKgZ282llPxv2wF/Zc6zE83JWwLzP1+RvSs=\n\n— s4rciv-checkpoint sHLQXmX8gwndRuNCUydY5bnokV6sV17wC7g+gc7Ib/4TxXIYEPTzlsaf9A6ncK/xNK6HWG+MzShv0ursPac3hfzocwg=\n"
    },
    {
      "throughSeq": 4188,
      "treeSize": 4188,
      "rootHash": "a6277139cfe9c381a6311d5ee4eb523314b138e602774e926689f365a48d1c0e",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-06T10:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4188\npidxOc/pw4GmMR1e5OtSMxSxOOYCd06SZonzZaSNHA4=\n\n— s4rciv-checkpoint sHLQXsUhg7K9wTCnXKaGYUgGqQi0VHn81KT1UcgJi32xYVHe2bKfgnEpdAzt/la5ePptetK5/bRiMKqKnkSWTyKvtgI=\n"
    },
    {
      "throughSeq": 4187,
      "treeSize": 4187,
      "rootHash": "6b46620618a7982479faf7f1128aea376871d0f05837c9b35f4f47accfa1a56a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-05T04:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4187\na0ZiBhinmCR5+vfxEorqN2hx0PBYN8mzX09HrM+hpWo=\n\n— s4rciv-checkpoint sHLQXp61Vuw5PHuL6S9ancqc2BXF971gM92AEFfsdFXzDwmirJWwwsDoPW+9DgyAYRthE1x2WRXVwVD87TMzEGvJNA0=\n"
    },
    {
      "throughSeq": 4184,
      "treeSize": 4184,
      "rootHash": "98709b0841342d564f84aa28d79221f1c2fcaae3fbb94d4f47967a4f25a422e9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-04T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4184\nmHCbCEE0LVZPhKoo15Ih8cL8quP7uU1PR5Z6TyWkIuk=\n\n— s4rciv-checkpoint sHLQXoVZs2NMGUkCl4TDcFolPlA8PvOEGN4T2kOHLZ3Sdrn4TqHdCbqFxwua6TPPHHrI9NkVhoE9/45bc0XAmnzIrg8=\n"
    },
    {
      "throughSeq": 4180,
      "treeSize": 4180,
      "rootHash": "45dfcb8d12c9aa135c19642709b490ef71e867bc27de05223d7d6dc104679d95",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-04T04:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4180\nRd/LjRLJqhNcGWQnCbSQ73HoZ7wn3gUiPX1twQRnnZU=\n\n— s4rciv-checkpoint sHLQXiSEUUofQBV+6YkCDmjSvRl9Rb8EcPMehV+bfBuZWU1MDsSqOohcHzqSvJALAQZRsXzRl5IiAizEOwMDsDY6+gQ=\n"
    },
    {
      "throughSeq": 4178,
      "treeSize": 4178,
      "rootHash": "52d2c3517586239087c8e49792db20237a31e28c11331b98cd74690ee83570ac",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-03T18:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4178\nUtLDUXWGI5CHyOSXktsgI3ox4owRMxuYzXRpDug1cKw=\n\n— s4rciv-checkpoint sHLQXn01NxvsrATY9qSX33oZiUniM0mQG+6g3a2ylNLsXdBmgYQwQZlGSCeEsf2I5IcVOPGW3U8IwugV7eYY225Gowg=\n"
    },
    {
      "throughSeq": 4175,
      "treeSize": 4175,
      "rootHash": "e2787fb7b970e68188fc8be6b501627e1376db35d38a8a36c565759a266d3b7e",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-03T05:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4175\n4nh/t7lw5oGI/IvmtQFifhN22zXTioo2xWV1miZtO34=\n\n— s4rciv-checkpoint sHLQXookRwuOmgh0UMIOq9wQqi/gjlMZOpoCRQ+ptpu4TmJnxBxUQC5TTH5ctB6GMmnwRYoGEObAR1U9fSqNXtwb7Q8=\n"
    },
    {
      "throughSeq": 4173,
      "treeSize": 4173,
      "rootHash": "5fc4d068d11e1fbbc22fe946a1bfc7f7c67fe0b9df43b910ebbcd051423593b2",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-03T04:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4173\nX8TQaNEeH7vCL+lGob/H98Z/4LnfQ7kQ67zQUUI1k7I=\n\n— s4rciv-checkpoint sHLQXhYWWx8AXb93rrCNxmjurMYxfDo/gvJBfnMQHa3IhSZPrn1gCLn6d6qpqFohKTKV8mO2yLjwtSGbdMOSX5BTcwU=\n"
    },
    {
      "throughSeq": 4170,
      "treeSize": 4170,
      "rootHash": "29165264f041ff093e38ac51d73c4a88e18c1bd5a951e2217a31665f87d5d47c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-03T02:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4170\nKRZSZPBB/wk+OKxR1zxKiOGMG9WpUeIhejFmX4fV1Hw=\n\n— s4rciv-checkpoint sHLQXti+zruDv2nCYdbCwHl2Tfh2HqgyVOWhgdx8QA3K15DQMgZ3+ht+NlqOrQQHhDphmNVEzeo0moGUbZqBtBLU8AY=\n"
    },
    {
      "throughSeq": 4163,
      "treeSize": 4163,
      "rootHash": "d28f914a99522d2cff061fecd1dfaa222cbe4417e8c5d7469802334e10999883",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-03T01:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4163\n0o+RSplSLSz/Bh/s0d+qIiy+RBfoxddGmAIzThCZmIM=\n\n— s4rciv-checkpoint sHLQXolvC9x9mnAZxtX7bluwQmDGgKl9TUa5ykXb8MOtUdsjVNv2VqqGtuvcg5HJww99CNRvVVKdmW5p4jEpZh5k5gg=\n"
    },
    {
      "throughSeq": 4161,
      "treeSize": 4161,
      "rootHash": "7312757d598787bdce6a2baeb3adad7263ab91b30ec7a5b000db54dad79f4e99",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-03T00:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4161\ncxJ1fVmHh73Oaiuus62tcmOrkbMOx6WwANtU2tefTpk=\n\n— s4rciv-checkpoint sHLQXqU3c4ybYSmiaTUD2MCLtYKj4bamRCYXpktx/9Hi4gjUyuVZAbOzSfQ2GWgifLqKk40t1g5ZKBRurWXGmQyO1gk=\n"
    },
    {
      "throughSeq": 4159,
      "treeSize": 4159,
      "rootHash": "b1376bb5ece20dcf1a1fb2031861fb2ece2e752ce8ee049bc43c1d64391e2f78",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-02T23:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4159\nsTdrteziDc8aH7IDGGH7Ls4udSzo7gSbxDwdZDkeL3g=\n\n— s4rciv-checkpoint sHLQXuz9lV84vrHtew+AtUINfBf2f4lQjHb14/zVypHwhF5caza1jz0UZ/OSFmwZH2Eik4gv9SOZTJ3PRrQOaUnGpwI=\n"
    },
    {
      "throughSeq": 4158,
      "treeSize": 4158,
      "rootHash": "e0a591fea893166f6f09cee95ccfc1e687f141b414089cb79983e5e3667668b4",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-02T22:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4158\n4KWR/qiTFm9vCc7pXM/B5ofxQbQUCJy3mYPl42Z2aLQ=\n\n— s4rciv-checkpoint sHLQXuSlZ94NVwQcRzsWyy+Q8OOrh8/hYaP5ySQ+omFgbe/+swaA2+HGlNneOy6Z6vUpoIHQCLbP7kM2JdLMDHA9hgQ=\n"
    },
    {
      "throughSeq": 4157,
      "treeSize": 4157,
      "rootHash": "796ea9bec97c18941620fe8808aa1ae90f3d63e451603cb20e7d586811ff24f8",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-02T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4157\neW6pvsl8GJQWIP6ICKoa6Q89Y+RRYDyyDn1YaBH/JPg=\n\n— s4rciv-checkpoint sHLQXr1PkD37NQVE5YX3jfW95MHC9CV61BcWp2Fteo6HmYA2zOGbjhCeK9iYC754QNc46xMcRK9iMU8DPFWOhgY9lQ0=\n"
    },
    {
      "throughSeq": 4154,
      "treeSize": 4154,
      "rootHash": "cc1623b5b8a9f13998fb4ec7489eddabd19958378b1c624a09a706725de96c2a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-02T20:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4154\nzBYjtbip8TmY+07HSJ7dq9GZWDeLHGJKCacGcl3pbCo=\n\n— s4rciv-checkpoint sHLQXo4tZJOBWfqzeMMAUvBvVNlWG33dscT5p0ADJZQKMeOBZuFT104Tt6GV3VJqJ0WqWUiXQ+PbgT3tW/a8m1RaAw0=\n"
    },
    {
      "throughSeq": 4150,
      "treeSize": 4150,
      "rootHash": "2da550f03476a56a86b7350e5a382c6c6eb73dbe0a98218d4b842895a6847ca9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-02T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4150\nLaVQ8DR2pWqGtzUOWjgsbG63Pb4KmCGNS4QolaaEfKk=\n\n— s4rciv-checkpoint sHLQXimtAH8ERamrOT7MVi0OiYMCEM0S0X18GAAofym+LpXJem0YyFWespQDhjCobi6Si2Ppp1MKOgZ2G9KqmQ6gmQk=\n"
    },
    {
      "throughSeq": 4136,
      "treeSize": 4136,
      "rootHash": "1fbd2eb073f80f011ef2c93a67a429dbc2266b3722b37833f8c87b048b52fc02",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-02T04:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4136\nH70usHP4DwEe8sk6Z6Qp28Imazcis3gz+Mh7BItS/AI=\n\n— s4rciv-checkpoint sHLQXhQjxs4itpPbz2c9aDVt9TV5w0zmT2+d1FuUSuM54GNZ8Ko5Eqgkd/Zr0J6b11MOXHQB5Wo8/Tqz9ViWn9l2Pgk=\n"
    },
    {
      "throughSeq": 4131,
      "treeSize": 4131,
      "rootHash": "98d8d5b4b4c35579bb9db56690e48448d62e3e193b20ff2eefc69063281044d8",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-02T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4131\nmNjVtLTDVXm7nbVmkOSESNYuPhk7IP8u78aQYygQRNg=\n\n— s4rciv-checkpoint sHLQXlLXAx9alKLUQAReVWsgWnIVoUqAmgpGeFH9izc88AG5+guhWN0rDjvQNeszwc312WTQxr0oNk+mDvb283YXqg0=\n"
    },
    {
      "throughSeq": 4128,
      "treeSize": 4128,
      "rootHash": "e0cee63778efb66718fdf31e7b588810e3134326d9b31288730ed4235235eb03",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4128\n4M7mN3jvtmcY/fMee1iIEOMTQybZsxKIcw7UI1I16wM=\n\n— s4rciv-checkpoint sHLQXuMKA/+uqG16IQKQw34NoGB5417PebAv1TCsDESAaG7HWZgz0Rf8nyDooupMSnRtaKhfOXalFYxXBrtVQvfTdAA=\n"
    },
    {
      "throughSeq": 4127,
      "treeSize": 4127,
      "rootHash": "afee1b3c2c7d55d1ff20839248c879408d7b5aefb46c5849223d7fc256ef9c18",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4127\nr+4bPCx9VdH/IIOSSMh5QI17Wu+0bFhJIj1/wlbvnBg=\n\n— s4rciv-checkpoint sHLQXrI3ycx6q3DqotN8821g62IMmYn7GY0GO7ZDXStCUxclNzmFyv4mcEqX9lsvA+Z0hCDyPusO7HYiaDNpJpJmvQU=\n"
    },
    {
      "throughSeq": 4125,
      "treeSize": 4125,
      "rootHash": "93d3aea485f7f88413725ef0362ec7e68ef58d4be1f1f021b6a841fd69b19d12",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T17:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4125\nk9OupIX3+IQTcl7wNi7H5o71jUvh8fAhtqhB/WmxnRI=\n\n— s4rciv-checkpoint sHLQXn87Nzpqd84/b82oeBdiP8LgS5HujfSUMI0uSY+UyfIANYIVuUMRxFQ2j1ank8Ek+wHg2q8/z2l56ru2YN7Xcgk=\n"
    },
    {
      "throughSeq": 4124,
      "treeSize": 4124,
      "rootHash": "1c42228fdcddf0125be28e2cde87eb981baddf70b276b0d3b81452f7c0cc072f",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4124\nHEIij9zd8BJb4o4s3ofrmBut33CydrDTuBRS98DMBy8=\n\n— s4rciv-checkpoint sHLQXuG6hVGxyZK5ygNtnErQGIBv1tgbC2X4aZP87hUYm0TnddvF5pFP0zadw9VCByzz89n6cksv4KfpA2JCSrENAw8=\n"
    },
    {
      "throughSeq": 4121,
      "treeSize": 4121,
      "rootHash": "6eb977ee8e18e24314309ef1c6d22dfdb30d7a8714961e55d9e12aa2b693944a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T14:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4121\nbrl37o4Y4kMUMJ7xxtIt/bMNeocUlh5V2eEqoraTlEo=\n\n— s4rciv-checkpoint sHLQXrvxhhI6GJbanzWmh7nzymYgde1lT1awoXXPiv5qHi8fZrMSMZgRGqKAGsJDh7fzs1dtnWfY78/+uBxmE2Ow9wU=\n"
    },
    {
      "throughSeq": 4118,
      "treeSize": 4118,
      "rootHash": "fa7a8e51d66420da89da4a2c25979f22b588bada3db51f03d8b59eb670f42252",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T04:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4118\n+nqOUdZkINqJ2kosJZefIrWIuto9tR8D2LWetnD0IlI=\n\n— s4rciv-checkpoint sHLQXqPzO4D5YLfbZt+gcd7FW42957LpEZEl97YkDicIxkzwayoBgGc1Dn+wZ5JlFrYWC7Ha4ewm1pAhWyvcePeLiwM=\n"
    },
    {
      "throughSeq": 4116,
      "treeSize": 4116,
      "rootHash": "acc0b84b5c1cda57c5ae70b0247797890e3ddfa0ea96390d21f143acdfa9f8d2",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T02:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4116\nrMC4S1wc2lfFrnCwJHeXiQ4936DqljkNIfFDrN+p+NI=\n\n— s4rciv-checkpoint sHLQXmFev6gsCstfL32vpLHw6Qe2BSy1+7ud+0oW/EVMPyc+3u9yd/xfeM9UL9fi40jLQH+yCYix856HjBHEWFTQOwY=\n"
    },
    {
      "throughSeq": 4112,
      "treeSize": 4112,
      "rootHash": "725f0cf31d4dfadf934a9e66657dd7773735a87d840242775dccc0325d832927",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T01:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4112\ncl8M8x1N+t+TSp5mZX3Xdzc1qH2EAkJ3XczAMl2DKSc=\n\n— s4rciv-checkpoint sHLQXo5G4pecRq6tyLPUVppEk49xvFvJHD2KFwWkC5Yy7vOQeafhCvLNsx1GTkCj/gEY/j22d29eOuLo+TgucFObrQ8=\n"
    },
    {
      "throughSeq": 4109,
      "treeSize": 4109,
      "rootHash": "3e3f3996a21849e326a0b5fc682bc467e96fe9bd7386cf11e3c0d23f7ca9b7a8",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-09-01T00:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4109\nPj85lqIYSeMmoLX8aCvEZ+lv6b1zhs8R48DSP3ypt6g=\n\n— s4rciv-checkpoint sHLQXiejXGLVo1RBGRyLhVQY9OCnESPHVWl6JDCnOFwfXxIpIOHkGqnUpMhoYqP1wb7XCEPMqX1VvdPQHt+w9nCG2wM=\n"
    },
    {
      "throughSeq": 4108,
      "treeSize": 4108,
      "rootHash": "985785ec4e0fb84986e71f975ffe1a877bbc5e0762ff04d5771a7f4802878961",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-31T22:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4108\nmFeF7E4PuEmG5x+XX/4ah3u8Xgdi/wTVdxp/SAKHiWE=\n\n— s4rciv-checkpoint sHLQXl5r42NxPH9pi60VnJlfTPXoGYAa9RJJtCNzIg3G1o7p/VX8wYHGquyL00cyh7PRQ6KW9O/Uw7AND1oZcxbR1Qc=\n"
    },
    {
      "throughSeq": 4107,
      "treeSize": 4107,
      "rootHash": "cafdeadc1427e8d442eff785447eb3c07c688ca01562e66a0c35a8907835cf30",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-31T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4107\nyv3q3BQn6NRC7/eFRH6zwHxojKAVYuZqDDWokHg1zzA=\n\n— s4rciv-checkpoint sHLQXhulAxn98H+NZImvltzn5ICyGxvl7lbP9NMhzeU4lCgF/FroVQKyKEL3EEQeQaobWBo+mqshCD5lUEy3LXh0pww=\n"
    },
    {
      "throughSeq": 4106,
      "treeSize": 4106,
      "rootHash": "e93fdb61e210e0ca116f65402e43778a85ef5550a7844c8432540ed41b7949e3",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-31T20:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4106\n6T/bYeIQ4MoRb2VALkN3ioXvVVCnhEyEMlQO1Bt5SeM=\n\n— s4rciv-checkpoint sHLQXj5OB8K2ZGY0Zw3BElvVge9/bRM0hDNcCBVWogGu6q/CNc5IoEwK8zhh41nvcd9twtUPHR9z2kTW1HidpKKFKw4=\n"
    },
    {
      "throughSeq": 4105,
      "treeSize": 4105,
      "rootHash": "9528f0b21b8b53f3d5466617356db20c068cfb1f54bfe74375398ca54443e750",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-31T19:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4105\nlSjwshuLU/PVRmYXNW2yDAaM+x9Uv+dDdTmMpURD51A=\n\n— s4rciv-checkpoint sHLQXnA80bTWi7bkF1aaYVJALmz0BJA4hysyeZX3x4D3l8CAW2eKD1u4VukF8C5TDu7KTmByizQi02ee3QGcjHb3jwU=\n"
    },
    {
      "throughSeq": 4104,
      "treeSize": 4104,
      "rootHash": "527a189a664cba7e6ea92a489bcaf139bd4268755dc4f33a3d57e4299d8363ad",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-31T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4104\nUnoYmmZMun5uqSpIm8rxOb1CaHVdxPM6PVfkKZ2DY60=\n\n— s4rciv-checkpoint sHLQXoflOC2LbdTYA2EjHUQ9hZmiBg5BM/XjZYIIFIPHXt7quF1mGmYTbHmy462m0UTtFClPLIdR3OYMzcRdaQ2/7AY=\n"
    },
    {
      "throughSeq": 4102,
      "treeSize": 4102,
      "rootHash": "ae9f59aa41f3e8ae1b9d117d3ce265f411d6d3bc90e8945ea763e9e1b185bb65",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-31T17:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4102\nrp9ZqkHz6K4bnRF9POJl9BHW07yQ6JRep2Pp4bGFu2U=\n\n— s4rciv-checkpoint sHLQXtrAvuiFsPFz5wJtYxwB29b/ihdulUwNBF/buy/4ICQbz4D1rxldjtTn5j12aDHYNq36vsskITpWn1HQL5+LWgo=\n"
    },
    {
      "throughSeq": 4099,
      "treeSize": 4099,
      "rootHash": "5b6f88d1fb89829e04ad91bf430e217c24a6bc4f70f172c4b83eb65dd2f10d2f",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-31T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4099\nW2+I0fuJgp4ErZG/Qw4hfCSmvE9w8XLEuD62XdLxDS8=\n\n— s4rciv-checkpoint sHLQXvAmvUacKT06vH2gTCXHy/nPbQlCg0wDWW6Tl/ap6zKWiZ+VEDcst2PjMbg1X9/ifkN6nhC7+NwTuOW3Dd5f2As=\n"
    },
    {
      "throughSeq": 4096,
      "treeSize": 4096,
      "rootHash": "085539ed9c4eb2b3315b994b8afddb77259af3f2e7bcfc7723a8ec3b8c4928fd",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-29T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4096\nCFU57ZxOsrMxW5lLiv3bdyWa8/LnvPx3I6jsO4xJKP0=\n\n— s4rciv-checkpoint sHLQXmShpc6Y/AG/XyKfGpr+9RCPwnuXtF/05yyN7TkPuF7eK+hDEUu9flDHLjVVPH3vA4CHij+5j816vgVDwZ1xUQA=\n"
    },
    {
      "throughSeq": 4088,
      "treeSize": 4088,
      "rootHash": "6072ed388586f514f82e6ea564bea9da425fc83a0621effe313ebbe10fee74d1",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-28T21:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4088\nYHLtOIWG9RT4Lm6lZL6p2kJfyDoGIe/+MT674Q/udNE=\n\n— s4rciv-checkpoint sHLQXnTe7MLYdSxC9w0cOYgRBQQ5iG2elFIJniCCoMFbf2mKJhMQgq4IdM8KqVkLQlh/WWKiIXv24UzDrmYWef25Agc=\n"
    },
    {
      "throughSeq": 4087,
      "treeSize": 4087,
      "rootHash": "e74ad611a9d69912a009265c0a25894533722e36c90191a17c80618fb568122b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-28T08:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4087\n50rWEanWmRKgCSZcCiWJRTNyLjbJAZGhfIBhj7VoEis=\n\n— s4rciv-checkpoint sHLQXl1GsKt18dXsCyqZ6uxscTWok0Ot5jvbISVjea4UrlDN/YRpz8BLKtyNBa1dkIFT/g+gfWccd1mhGV2JbFXFSQs=\n"
    },
    {
      "throughSeq": 4086,
      "treeSize": 4086,
      "rootHash": "86b6f0fa102d4f298cd59e88b2da52979a15cd5f5ffe61b8dbae94a4f5b82959",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-28T07:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4086\nhrbw+hAtTymM1Z6IstpSl5oVzV9f/mG4266UpPW4KVk=\n\n— s4rciv-checkpoint sHLQXoLA/0DsW1aZBdMPyEeEh7SHboeVOBDghwQB3oispdUQDenk1Ms7Xp1MjN1JB2zdb60BAYx5cni0+yHrqrh82wM=\n"
    },
    {
      "throughSeq": 4084,
      "treeSize": 4084,
      "rootHash": "0968d74248bda67465fde0b02641ad23ebcb21bf609cde931ed3a90ea17c9eff",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-28T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4084\nCWjXQki9pnRl/eCwJkGtI+vLIb9gnN6THtOpDqF8nv8=\n\n— s4rciv-checkpoint sHLQXhOg7841DB8llZaIlfdY88fo+jhY2km/fjmlHYFhLVdygnWtKulxjtDv12ucL9Q+g/h0ouFTRQT/Qq7i2aVE3gA=\n"
    },
    {
      "throughSeq": 4083,
      "treeSize": 4083,
      "rootHash": "936eccfd22bfb21286d1599b21f14d585f05e40e6daf006321851115dda6a5f1",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-27T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4083\nk27M/SK/shKG0VmbIfFNWF8F5A5trwBjIYURFd2mpfE=\n\n— s4rciv-checkpoint sHLQXs694wdA5q4F7rQVi3Zo92tmCtbPV3Rrrswo8FHJXOK4ymMlyuLmmpBuTDQ4DkWyFBOo89tAoET1aGVUwR4x6AY=\n"
    },
    {
      "throughSeq": 4080,
      "treeSize": 4080,
      "rootHash": "6016dc53afef08bc81cdf98ad64587fa3cf129e92e7ec373297cb65e9b674d2a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-27T17:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4080\nYBbcU6/vCLyBzfmK1kWH+jzxKekufsNzKXy2XptnTSo=\n\n— s4rciv-checkpoint sHLQXt2++On7BYQ9E2gcKulmYOTqdSyz+u2hJHiIfN3A3F49DzgQTtVgFtW1ThzWBm5IyjBSsSt0eS82YV9pj4hH9Qs=\n"
    },
    {
      "throughSeq": 4079,
      "treeSize": 4079,
      "rootHash": "fcfb4a18a42a0242ffc4717617363f0a3ffe173691d82df6bae42c4ba225ea69",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-27T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4079\n/PtKGKQqAkL/xHF2FzY/Cj/+FzaR2C32uuQsS6Il6mk=\n\n— s4rciv-checkpoint sHLQXgr1f0EIm3ogYUn7AMpoDSffuOqrFBrQi6IUp2H0MxxHfaz3GVB++ML98uRBg3NQ7nnjsW+R5hpp1M5txmCuRgk=\n"
    },
    {
      "throughSeq": 4074,
      "treeSize": 4074,
      "rootHash": "4c00431b6d51d5af001f7beee74faa650f0462db610f91cb526bb693a88aa60b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-26T23:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4074\nTABDG21R1a8AH3vu50+qZQ8EYtthD5HLUmu2k6iKpgs=\n\n— s4rciv-checkpoint sHLQXhRO3Wn5xpaFSCwb+WOZTCmOYjzq/zuMsccKS2u9jJpC2R39EjFsTeA2EF4e4BNuS/eHCZg4J7IYFja9w7o1VQs=\n"
    },
    {
      "throughSeq": 4073,
      "treeSize": 4073,
      "rootHash": "22be9aa5bb245b24b9cd981a6f502e2b4ec79bf424b4af6de9c83f96b50e7dc7",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-26T22:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4073\nIr6apbskWyS5zZgab1AuK07Hm/QktK9t6cg/lrUOfcc=\n\n— s4rciv-checkpoint sHLQXin2gwMnpeSAZYNuqbQ9dKK5uC0G+ouitTmouuBLJuwbp5GYY6Ce9+jGrUzjh9Xr3l9Uz8HBPv+1oO9cZLTFRAw=\n"
    },
    {
      "throughSeq": 4071,
      "treeSize": 4071,
      "rootHash": "c0385c145975eb476d35fb36123e3caebd4ad9ad36027c91039f7108dd0e5d58",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-26T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4071\nwDhcFFl160dtNfs2Ej48rr1K2a02AnyRA59xCN0OXVg=\n\n— s4rciv-checkpoint sHLQXhcreyKJXMbCr1vqWNFCVwgDxvfhQ2WSYQEgsB77eNy4zghdRtsBlbCrpu5i3aeovCa6v/urB4MDSm3qhb1UQQw=\n"
    },
    {
      "throughSeq": 4068,
      "treeSize": 4068,
      "rootHash": "850397bea60a7432eaff474323827c6c9a0ce437cc62d72b6c77ecef5528be8a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-26T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4068\nhQOXvqYKdDLq/0dDI4J8bJoM5DfMYtcrbHfs71Uovoo=\n\n— s4rciv-checkpoint sHLQXt4RIpSNeNxfdWmJRe3z4Gs7Ik8y/7Wo4UAKVklBFU/UoDkeNNji0+Q3bdBo+BgXTmEaUo+Z6BOYQ+lhwkhz0gs=\n"
    },
    {
      "throughSeq": 4066,
      "treeSize": 4066,
      "rootHash": "6da33340f31281a6da89df8a1fea6eb24d80142d79aa3da48eb9395a343140fe",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T23:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4066\nbaMzQPMSgabaid+KH+pusk2AFC15qj2kjrk5WjQxQP4=\n\n— s4rciv-checkpoint sHLQXufVAOLibWUsL4FQLF2F+5VRv7vY8Kqj2g9PShCwMH464j8O77PNApj43tF8s1aeNjsnM2ctS1o8i88Gw37Q6Q0=\n"
    },
    {
      "throughSeq": 4064,
      "treeSize": 4064,
      "rootHash": "3c62eae27f501330c5956fc87723859ed643016a48e3c87c2a2f9cd5fbceba0d",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T22:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4064\nPGLq4n9QEzDFlW/IdyOFntZDAWpI48h8Ki+c1fvOug0=\n\n— s4rciv-checkpoint sHLQXmI0UXRMOaVEs8QxVG3GfdfIBA6Rua9G7/B122tX6Kne3DE0mDI0JUj0t39gkSoWn3lPUv8zMIP6Y+a1VgJ5NQs=\n"
    },
    {
      "throughSeq": 4063,
      "treeSize": 4063,
      "rootHash": "b36a935197d136f71b4b3b8fee9d73fcc805bab9b49ebc9c9e436a467cc9a35b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4063\ns2qTUZfRNvcbSzuP7p1z/MgFurm0nrycnkNqRnzJo1s=\n\n— s4rciv-checkpoint sHLQXmIUw68Dq2HILhzrupUXp4/wvePS/bRg7nRA8gt00HQVYkFKAn1Wg8Zqp67rYkQxM/TwCnA/ZjyGsRW8T5dcYQ8=\n"
    },
    {
      "throughSeq": 4061,
      "treeSize": 4061,
      "rootHash": "7d2071943c22a880c5614287e14febf1ab04aa0abc115eb10631c4f482ce2b86",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4061\nfSBxlDwiqIDFYUKH4U/r8asEqgq8EV6xBjHE9ILOK4Y=\n\n— s4rciv-checkpoint sHLQXmTOTX04qrRLXIS3DA1uFBgDYTvR7KoqEwn3dlf1XJ6RJl14HEqRcfz2oAV/vlSQV2xBGgXFzad505HV7ZkaAQ8=\n"
    },
    {
      "throughSeq": 4056,
      "treeSize": 4056,
      "rootHash": "37f030ec284d5fe00cc183c4c416f069acc457def68d8327219d2a6aa3870771",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T14:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4056\nN/Aw7ChNX+AMwYPExBbwaazEV972jYMnIZ0qaqOHB3E=\n\n— s4rciv-checkpoint sHLQXisY7YBMvx8WkbhPi3GZu+Br59JivrfB3WTkjg+F0jAM1fypMDnCdXiI4uzxR78g6KmvN0iJieX3aJbSDTymHQw=\n"
    },
    {
      "throughSeq": 4055,
      "treeSize": 4055,
      "rootHash": "296b5ca4be9f5ff0fdfb136791c4375bb0353b90dff8d822298e3f2d51a86b5a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T13:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4055\nKWtcpL6fX/D9+xNnkcQ3W7A1O5Df+NgiKY4/LVGoa1o=\n\n— s4rciv-checkpoint sHLQXr5YyKe0HwuhPmmdDjbD+AYlT+bc0GlXKGWVteHKiH6hmrk2ms8k3IyyheAWZL0EwX4KPq+M1BpUYyO9wOPULgg=\n"
    },
    {
      "throughSeq": 4054,
      "treeSize": 4054,
      "rootHash": "907602bfc9280015641646f3394d57df5b02d89415cd60fc3f0e74b11938227c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T12:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4054\nkHYCv8koABVkFkbzOU1X31sC2JQVzWD8Pw50sRk4Inw=\n\n— s4rciv-checkpoint sHLQXqdU5WgHhYHFooVkPmFQ1ddlLMJ1PEePYNkEkYVO/pc+us5TE7q+KaeSuPy+6zS3OklLNmiu3XHRsmnTfXfshAQ=\n"
    },
    {
      "throughSeq": 4052,
      "treeSize": 4052,
      "rootHash": "08db0a7b05d5f65cbf1fc2e0825da7c223d47a4a2bff81615966bbb4e2916369",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T11:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4052\nCNsKewXV9ly/H8Lggl2nwiPUekor/4FhWWa7tOKRY2k=\n\n— s4rciv-checkpoint sHLQXjEuD7ZTGNvU/N6i50IMcv3t5/C9RkOk2htESdxYQoYaHUrMtweo+aYwb9c/+A6SNstuI60U5nKnnFX0s6Do4Q4=\n"
    },
    {
      "throughSeq": 4051,
      "treeSize": 4051,
      "rootHash": "4063cc0324d9b20ba7eacba95bd1813423e3c06d1071c72bcb6ce8e6e9a1b3e9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T10:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4051\nQGPMAyTZsgun6supW9GBNCPjwG0Qcccry2zo5umhs+k=\n\n— s4rciv-checkpoint sHLQXrP+YippCo3l7RSfgWW5+OZF8q3FWVsLXHJ316YA4X0EjKTAJGWKttK8Q7oLci96EYFxVmktD5P/jtnUuPAYTQU=\n"
    },
    {
      "throughSeq": 4049,
      "treeSize": 4049,
      "rootHash": "8b625eab7a98740178e2fd9fcd32914c07ff4866956f6ca7962b333381ca770c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T09:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4049\ni2Jeq3qYdAF44v2fzTKRTAf/SGaVb2ynliszM4HKdww=\n\n— s4rciv-checkpoint sHLQXm15NDN9FC0Tppa9MY0XHqJp1MAan5fTysQyrp+SdvJiD+CP7EOazFpDgdBi1B3DOcV373dfdI1ixNXQrXY2ow8=\n"
    },
    {
      "throughSeq": 4047,
      "treeSize": 4047,
      "rootHash": "db9e0117fb25c8049c6e4e61258a1c555c814abcaedb7654bc612ca1bacf6385",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T08:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4047\n254BF/slyAScbk5hJYocVVyBSryu23ZUvGEsobrPY4U=\n\n— s4rciv-checkpoint sHLQXkpvYNuPqBfTZPEBJPubwBQD4dCYMiEQuUo04FAdn0lL7YNEWUjPsewwDaW3NPFlVd5LTYecOamvIj02+is7twY=\n"
    },
    {
      "throughSeq": 4039,
      "treeSize": 4039,
      "rootHash": "c235432fcab73d9df912572122b62ba72d835765592eb44c73dc6b691e89592c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T07:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4039\nwjVDL8q3PZ35ElchIrYrpy2DV2VZLrRMc9xraR6JWSw=\n\n— s4rciv-checkpoint sHLQXhw8axBH99QjID8y+GvZt/dZdipoV/jSGG6FvzfzY8XKcfCJp4z7vbyHcZi6ZNQZ+v754vjxSyajSuL5JwIo+go=\n"
    },
    {
      "throughSeq": 4038,
      "treeSize": 4038,
      "rootHash": "02d9720278c5dae14c5061bbb882e2daab9e94fa19814afeba0a71e1a4ab3002",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4038\nAtlyAnjF2uFMUGG7uILi2quelPoZgUr+ugpx4aSrMAI=\n\n— s4rciv-checkpoint sHLQXjY1v/Vl6EeVVCmRc1zrD6GxzPkpL6MZfS5rHFO2lorwqiyuItZraW1LaKgB8LTnh6ieuMf+ccIlKWlZhOEQXQk=\n"
    },
    {
      "throughSeq": 4033,
      "treeSize": 4033,
      "rootHash": "645e6fa5187bdeb8263a053c192c43a48a10539b4402c57607345249b2817d3d",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-25T02:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4033\nZF5vpRh73rgmOgU8GSxDpIoQU5tEAsV2BzRSSbKBfT0=\n\n— s4rciv-checkpoint sHLQXkYz/QTP85vp47dwhudzrvYhXjBtqJNMURUlHe31PqJ1ySiv+wkh4S8z5I1XrNfiAeYzuMpRVqUWSZJyJjCRsgg=\n"
    },
    {
      "throughSeq": 4024,
      "treeSize": 4024,
      "rootHash": "20298d5ebc3a5841e1ee0433ef2d86f8fa9c914aa75bf8c9fa2b83a10e2075d3",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-24T22:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4024\nICmNXrw6WEHh7gQz7y2G+PqckUqnW/jJ+iuDoQ4gddM=\n\n— s4rciv-checkpoint sHLQXrtysxYbP7ecHrxPxfpHAzltLF9TbdELyVq65rICff1kdGjjpGKNl425u+UrgM/cgcdM+R3R9t/2d+O4Iaqp4wc=\n"
    },
    {
      "throughSeq": 4023,
      "treeSize": 4023,
      "rootHash": "9eb624c0b7079a67b619bd6b2047261764d400aa91315084c151af45730081c7",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-24T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4023\nnrYkwLcHmme2Gb1rIEcmF2TUAKqRMVCEwVGvRXMAgcc=\n\n— s4rciv-checkpoint sHLQXhYp38EM4ri7Z+rk9J6kkduzu/05H/QHyd5dY/QQld9g29lV/q+fWhjA9jVkeo85VgzE09Mr0IDuVKgh02HAeQQ=\n"
    },
    {
      "throughSeq": 4021,
      "treeSize": 4021,
      "rootHash": "89a555ea614423e489eaa72c36654585110d948d1975fa0bfaae46d845a5459f",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-24T17:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4021\niaVV6mFEI+SJ6qcsNmVFhRENlI0ZdfoL+q5G2EWlRZ8=\n\n— s4rciv-checkpoint sHLQXvsZpO1X3CZZ3+YPpitHRd8EH+bc864p0qRGyWH5atFG4HsNTUZlguGm2mz34Xq8ShgkDqZiFDWvlChIkiiVMQQ=\n"
    },
    {
      "throughSeq": 4020,
      "treeSize": 4020,
      "rootHash": "84041ad560979a01f1ef5a523ead4c2201008e5d77027b8ba26f29a958be690b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-24T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n4020\nhAQa1WCXmgHx71pSPq1MIgEAjl13AnuLom8pqVi+aQs=\n\n— s4rciv-checkpoint sHLQXo1roptNr09zgX2GwZUwTC5A8n9xVo8ceylHd8+e3tlcmDFtCvZ0z0gXSUsr9pk75dF9ViMotDRUsvkp8d23+wk=\n"
    },
    {
      "throughSeq": 3965,
      "treeSize": 3965,
      "rootHash": "34ec9686ee127802847729454afa858bb5be6da56be248aa251ec2013f1ddab9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-23T17:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3965\nNOyWhu4SeAKEdylFSvqFi7W+baVr4kiqJR7CAT8d2rk=\n\n— s4rciv-checkpoint sHLQXow6w46jCtTSf+0Ctm6kssMje0O4x/ffMZp9krwDE2lE67pOGXF4A7RMMT4tJ0UOfM1sb8vh2oztboYlPpLpPw0=\n"
    },
    {
      "throughSeq": 3964,
      "treeSize": 3964,
      "rootHash": "33710cf0b3d260a64cd90b9490e6289499ff321c770f043355b79daed78d3bc9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-23T05:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3964\nM3EM8LPSYKZM2QuUkOYolJn/Mhx3DwQzVbedrteNO8k=\n\n— s4rciv-checkpoint sHLQXpv6OKavbT68CCA806JpBX1U+BIwMHrOnhqYaw91YF4AsQi0l9gmJCrt/REc/ufaH5WJMW3GTgWgVWGKNklymg8=\n"
    },
    {
      "throughSeq": 3963,
      "treeSize": 3963,
      "rootHash": "0bd5496aa77fd48c99766e1235df56bd5fb6064d94472236b4226f1217ed6bc5",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-23T04:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3963\nC9VJaqd/1IyZdm4SNd9WvV+2Bk2URyI2tCJvEhfta8U=\n\n— s4rciv-checkpoint sHLQXvnA4FCztYLIuRvFIROPSflEzmaJQrZ7b2dC6vr/F6gUJ4S06jjP9an9SDA5OvTCtWAK/kSWwELhgU3Zutz6kwc=\n"
    },
    {
      "throughSeq": 3953,
      "treeSize": 3953,
      "rootHash": "2184047ac43d1648dd0f2d0a499705fdb4ce2f2b33b34f9f0dda4d9e8dc4313f",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T19:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3953\nIYQEesQ9FkjdDy0KSZcF/bTOLyszs0+fDdpNno3EMT8=\n\n— s4rciv-checkpoint sHLQXvBHO5r2d+XDoz6U9TyP+V1i9gcZyklf+Pn+A9Jeu5GcqfdGGfs+BtNt7G9KmDGkFa69hkPK73NKKZ8zXuFApwk=\n"
    },
    {
      "throughSeq": 3951,
      "treeSize": 3951,
      "rootHash": "2b6578fafb00be5af62ac201fe3ca42be23e2fa11ffa76db500d61bff6f34a3c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3951\nK2V4+vsAvlr2KsIB/jykK+I+L6Ef+nbbUA1hv/bzSjw=\n\n— s4rciv-checkpoint sHLQXp3XnqUV0BvM+gM3k/wzdlD8KnshIiaVkq6htB/8vlKK0E5jxba698gId0tIgLP8s0asJm7aLNMs5PuUYgcsuww=\n"
    },
    {
      "throughSeq": 3946,
      "treeSize": 3946,
      "rootHash": "7ebd7c475415146531ffdb3fd30907cfe5848f6583decc60f43b50c14972ed34",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T17:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3946\nfr18R1QVFGUx/9s/0wkHz+WEj2WD3sxg9DtQwUly7TQ=\n\n— s4rciv-checkpoint sHLQXvFZMeS9DCwDtSJ/ofA3kFh4zxeRU1FJGbhEvMhQjVHRkW9C5WGSn7mcwY43KgWISbay/gFqR0HysEJJ7X6v4Qc=\n"
    },
    {
      "throughSeq": 3942,
      "treeSize": 3942,
      "rootHash": "579ed074288b8a686f79cf6a8d0b3c6f81c9c8385909f260ac43d11972b88d04",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3942\nV57QdCiLimhvec9qjQs8b4HJyDhZCfJgrEPRGXK4jQQ=\n\n— s4rciv-checkpoint sHLQXk+Y589u6Y0RSpz7grel+cHB4NRsgUjs880yd2ET0fTYW8OYIQPVtKfCzwgp1MiH6yyFpldwKidvjoDyOMHNNA0=\n"
    },
    {
      "throughSeq": 3894,
      "treeSize": 3894,
      "rootHash": "f0ec80dbffa4be66bd7078706a8c55c4bd232e3dae0eea1600087721e3d4ccc4",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T12:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3894\n8OyA2/+kvma9cHhwaoxVxL0jLj2uDuoWAAh3IePUzMQ=\n\n— s4rciv-checkpoint sHLQXn4kT2IdxTsUdOuZ0qLtTNZvK4LlwEMBAPA+nushKIcstt9jHDKKUIUrisUK2hxFxISVx8VUqhgFQU8TWrCpLwE=\n"
    },
    {
      "throughSeq": 3893,
      "treeSize": 3893,
      "rootHash": "361e596db5666c42a6c63b1b67d5039b29e09084b0328eac97f462bcf8ce78a1",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T11:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3893\nNh5ZbbVmbEKmxjsbZ9UDmyngkISwMo6sl/RivPjOeKE=\n\n— s4rciv-checkpoint sHLQXtmtddNc5Q3So2STlzyAY8lavQrBj104JaDQdtJycVRgo53H03RJ88ayq9jgymWM+j++s0pS5qp9Vk1mxJJ82AY=\n"
    },
    {
      "throughSeq": 3884,
      "treeSize": 3884,
      "rootHash": "446550b41f95a877dc30acef073d4349f00240181e4e65fb99952b1dbb080800",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T10:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3884\nRGVQtB+VqHfcMKzvBz1DSfACQBgeTmX7mZUrHbsICAA=\n\n— s4rciv-checkpoint sHLQXo9qf3d5fhlAGBv3n1uR/FHPSp4vos2+KMm+g0Ddw+xtsEHUwbcITJlLP1I7/Iz8GkMhMOu059X155JpJSI/AQQ=\n"
    },
    {
      "throughSeq": 3881,
      "treeSize": 3881,
      "rootHash": "fc4254e49af19bb4a042b6a9c5f2aca053caadf851702fb76da42452797bc5e5",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T09:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3881\n/EJU5Jrxm7SgQrapxfKsoFPKrfhRcC+3baQkUnl7xeU=\n\n— s4rciv-checkpoint sHLQXvPONmWU/IXSt8nOZuh0NlYRdNpz5+GrV9UfQFUBZddOSw4UCnjVzdrcT4imgD7PqhXecm3qPcGzEF1emgbiIAU=\n"
    },
    {
      "throughSeq": 3875,
      "treeSize": 3875,
      "rootHash": "0a0d197537076294fae67c419993bfc7c2e5a186a0fd85133a74112820df5ac4",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T08:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3875\nCg0ZdTcHYpT65nxBmZO/x8LloYag/YUTOnQRKCDfWsQ=\n\n— s4rciv-checkpoint sHLQXrkZBVVo4csL6RPzdBQBpr+gXgq10cJyEmIzuNotAO7wZukA3Wj3ZXV1pKpvRStgDpI959zrVhD4K0aDWqnrCAk=\n"
    },
    {
      "throughSeq": 3839,
      "treeSize": 3839,
      "rootHash": "015bf6b8f997f95e5bdf3668ed5f53c6c5fe5a12755736130b2a50e69305e11a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T07:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3839\nAVv2uPmX+V5b3zZo7V9TxsX+WhJ1VzYTCypQ5pMF4Ro=\n\n— s4rciv-checkpoint sHLQXgFtMKiEJiGyt5IusYcYiI+AF+eRw/HfNcyiX/g8pJfpEGYdo3VQdOSnM++/RHaP8tStUoGexSQYG358JGk8swI=\n"
    },
    {
      "throughSeq": 3838,
      "treeSize": 3838,
      "rootHash": "f0f187ffee7e20a33ce1d3a479b6f79269283298ef3341ef2965701e10b6b983",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T06:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3838\n8PGH/+5+IKM84dOkebb3kmkoMpjvM0HvKWVwHhC2uYM=\n\n— s4rciv-checkpoint sHLQXtLuasgxpJj5B/91iO82RDaT2F3Erw0Sc0XEg69rG/QRgPEVS+32vjmU0HBC3/67W5/MDVvEJKxAWn4NX8T+LQ4=\n"
    },
    {
      "throughSeq": 3835,
      "treeSize": 3835,
      "rootHash": "3a05457fb025904a641aaea935aa4d5b28da1ca77c64752d2f6470a4ffd9ac2a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-22T05:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3835\nOgVFf7AlkEpkGq6pNapNWyjaHKd8ZHUtL2RwpP/ZrCo=\n\n— s4rciv-checkpoint sHLQXkPBR5fiu8+c10X+FaO6NYEcOqeoPqM6+hKTw7xdB6+omjdnqF8Zni705dNrMH1ukLhmQmTEW+nyO46v8phXbgY=\n"
    },
    {
      "throughSeq": 3833,
      "treeSize": 3833,
      "rootHash": "6f787def78f471d79dbe1525ade418736d8d23f234fe96f87c79b4845d5ddf36",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-18T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3833\nb3h973j0cdedvhUlreQYc22NI/I0/pb4fHm0hF1d3zY=\n\n— s4rciv-checkpoint sHLQXmeZre0AcW8hjK1Abua02cNkxzDfrvMPlqm89TxtoUrAImjbWnpDU0AGrBprjklO0oMQNjQ4Pv9Uhn5KrbazsQU=\n"
    },
    {
      "throughSeq": 3828,
      "treeSize": 3828,
      "rootHash": "68bbd29c2d16ce4ecae4ba4935efffcc49b364aee4b130696944d731389c8eb3",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-18T15:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3828\naLvSnC0Wzk7K5LpJNe//zEmzZK7ksTBpaUTXMTicjrM=\n\n— s4rciv-checkpoint sHLQXqhjueDH+cyzRMd6HXQpWfyfw2VxJnUtcpJD+473XlbPeRUOxtB2sFx0kAkfATLklQsEfi3J2K5L1Vsl1hozPQI=\n"
    },
    {
      "throughSeq": 3827,
      "treeSize": 3827,
      "rootHash": "9f8203781fe0c918af54633ac1cc96b63b7b1c1e827bc14e6ca20178e2c93255",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-18T10:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3827\nn4IDeB/gyRivVGM6wcyWtjt7HB6Ce8FObKIBeOLJMlU=\n\n— s4rciv-checkpoint sHLQXsT7m2ju8xVKZcyRrvc5u/g+ESHh0R/9YXnthWiL2hAgzw8JgxABKu3LySbJr4sqi3yfNEfTElbzAqPIL5ExFQ8=\n"
    },
    {
      "throughSeq": 3826,
      "treeSize": 3826,
      "rootHash": "6c1118b2ec4bbd3ef4e1ab4867afe89e841af3f88684961b592e9b9773d9715c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-18T09:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3826\nbBEYsuxLvT704atIZ6/onoQa8/iGhJYbWS6bl3PZcVw=\n\n— s4rciv-checkpoint sHLQXqOyRZwwuk/JtXizFQ2j08WtiorEb31pOCDqDymOG7xFEV1a283EArevIRlo00UR1+sjxa8c9RrAo+XzIVvh4gU=\n"
    },
    {
      "throughSeq": 3815,
      "treeSize": 3815,
      "rootHash": "0fc9770d4bd6cd8dba67f3828dc8f0cae7bd6a9a142b7cfe36f17a3a6717216b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-18T06:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3815\nD8l3DUvWzY26Z/OCjcjwyue9apoUK3z+NvF6OmcXIWs=\n\n— s4rciv-checkpoint sHLQXqtPsmJovOMeUn6M9u0slxBNETinn4IkSmYUV0Cqsbd+wFwSvhl08ZXyllTkprf1RZMzaYRu9lKXzqkGdUQOBQY=\n"
    },
    {
      "throughSeq": 3814,
      "treeSize": 3814,
      "rootHash": "61f071b8fee14bdb3b4833be4c53b314d4bedd1046032f0b574d0121bd254ec2",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-18T04:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3814\nYfBxuP7hS9s7SDO+TFOzFNS+3RBGAy8LV00BIb0lTsI=\n\n— s4rciv-checkpoint sHLQXprLPl+xQBuonLbp5IbG7IifMZe3lmhHwVGTQvt+9848OVNily8hoiJ5EYfq9QQSEyX8cZ5lW022cjSBfYC/gAM=\n"
    },
    {
      "throughSeq": 3811,
      "treeSize": 3811,
      "rootHash": "e30a7b7e4302d617a5606351a80631a41e28c05ea45d4d3f13327195c3ac8f92",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-18T03:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3811\n4wp7fkMC1helYGNRqAYxpB4owF6kXU0/EzJxlcOsj5I=\n\n— s4rciv-checkpoint sHLQXttPLyDyE195c46G2DjehMtEIJjR3QYdMIWuJDVoSRcRTqEwVY4SezjZ3y5mxPkIjKm69T/5DFKl1xzNvY9DPgo=\n"
    },
    {
      "throughSeq": 3808,
      "treeSize": 3808,
      "rootHash": "5c46f58aaa8cdea3e920c533dbc505e863ad647e4d48088b93517ec714507453",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-17T23:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3808\nXEb1iqqM3qPpIMUz28UF6GOtZH5NSAiLk1F+xxRQdFM=\n\n— s4rciv-checkpoint sHLQXgNZqx62myev6Fm/ph0JFRHK6YbhIOVChh9ToOUmSdaVvJMvzI1bUh49BY2vkXQKYyGioZq22ZBz+C3qe2y41gY=\n"
    },
    {
      "throughSeq": 3807,
      "treeSize": 3807,
      "rootHash": "f6af269a365222ab6508ff42c4f8bcfb86cb2334ff5fa6e1a40daabaf2b5f53b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-17T22:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3807\n9q8mmjZSIqtlCP9CxPi8+4bLIzT/X6bhpA2quvK19Ts=\n\n— s4rciv-checkpoint sHLQXvWznN+a/5c4dgNACNpGxXUSxiub7bV3qiX4d1WVJRoYlXWHgTTlRg8Ik+ctq9xY8Gu0ZT49JvanSioemR7wcQ4=\n"
    },
    {
      "throughSeq": 3803,
      "treeSize": 3803,
      "rootHash": "fb896daa9c41367d61eb3b55699645c900053136156e7b8d8752f7d324ba4c62",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-17T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3803\n+4ltqpxBNn1h6ztVaZZFyQAFMTYVbnuNh1L30yS6TGI=\n\n— s4rciv-checkpoint sHLQXo/ofe/N5vTc3+cUW0Xr8/DOmpf+dq9FlBX03tY2PWdzFtP8YT5I8fRmIEhr9pgAft2+0wVuGTYEkfAUk5G3pQ8=\n"
    },
    {
      "throughSeq": 3798,
      "treeSize": 3798,
      "rootHash": "61aee77272729653f94d2aa5f74ead1e2811c4f686f57a3da43a1781267c79a6",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-17T10:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3798\nYa7ncnJyllP5TSql906tHigRxPaG9Xo9pDoXgSZ8eaY=\n\n— s4rciv-checkpoint sHLQXltUd9PZO4NpE4XCxCx8zsBZY7VF3v44SB4cdvl2ewfk4ab22QrPLrPrp35NFMLCCcXd479OJpmMd77baWk7VAg=\n"
    },
    {
      "throughSeq": 3797,
      "treeSize": 3797,
      "rootHash": "8d59527e3986a2b503cfdf5a013cfab212cb36862c2c3b75b7bd9b49c4aeea63",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-16T00:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3797\njVlSfjmGorUDz99aATz6shLLNoYsLDt1t72bScSu6mM=\n\n— s4rciv-checkpoint sHLQXgOyuWthduI6/hhoPqCocZ87wwL46i+jQRtST0F6JxkLHaO99WYxqA9bDgNAIf8EjvxDJYhTRZOhon/7eyqzhg0=\n"
    },
    {
      "throughSeq": 3793,
      "treeSize": 3793,
      "rootHash": "1016a28ac7494160492366b5348fb7124c9b644552086cda970828131c8a333d",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-15T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3793\nEBaiisdJQWBJI2a1NI+3EkybZEVSCGzalwgoExyKMz0=\n\n— s4rciv-checkpoint sHLQXnOD6TI75EQo5fIfN0i6ZI9cJ6nFg+/EoG64YFWSJcbqfMLPWYkRlMncYAFK7USC8PQ1TbWi8wY+R99ra0oJ8w0=\n"
    },
    {
      "throughSeq": 3776,
      "treeSize": 3776,
      "rootHash": "e8cdc4e7388d222dc0e5dd0b3335a24719f57afc2e1400fefdc0fa2779ed8044",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-14T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3776\n6M3E5ziNIi3A5d0LMzWiRxn1evwuFAD+/cD6J3ntgEQ=\n\n— s4rciv-checkpoint sHLQXjML/TR/cdAd52+OHKHXhgAsU5KB9zip031g5rvumyTA23zFUZ17cGBw1bBXcMPRsNX23jDVgQKLKWfOCHWYHwA=\n"
    },
    {
      "throughSeq": 3773,
      "treeSize": 3773,
      "rootHash": "d8dd2ae951f30422caa8390223c76f5a2dd53fd0c9c0281727b37d04310786a3",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-14T20:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3773\n2N0q6VHzBCLKqDkCI8dvWi3VP9DJwCgXJ7N9BDEHhqM=\n\n— s4rciv-checkpoint sHLQXjZe0dd/PvlOLQ8y6RDVE10IzpmquIO8nb9IBwSJTgJisXvA7y1cPgA6fpfigfDrzJznCdXRf+B97NFDdjzQVwk=\n"
    },
    {
      "throughSeq": 3772,
      "treeSize": 3772,
      "rootHash": "d9c9751bfcde58b4aa3744231966ced96f61f4da2d85f74888f17c4a24ce4f2e",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-14T16:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3772\n2cl1G/zeWLSqN0QjGWbO2W9h9NothfdIiPF8SiTOTy4=\n\n— s4rciv-checkpoint sHLQXp4YJaxFmqD/6iZ3pYL5zfnkh4GNLxZE+b9tDKaZQXtYy9uF0vCYHTI6N0hsTlAWTeMOV52Xp3X0JL4caVld6As=\n"
    },
    {
      "throughSeq": 3768,
      "treeSize": 3768,
      "rootHash": "2d507ddf4935c153fe577f2f6979134106bd88435b5a960f744ba7a9b25c351b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-14T05:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3768\nLVB930k1wVP+V38vaXkTQQa9iENbWpYPdEunqbJcNRs=\n\n— s4rciv-checkpoint sHLQXj4ZpRpm3ATX+IV/LutZn4vhI2oQRiXs+OFqMntF6/tDZa5W0OYb7lfP9JiCumKbvfwH2bGp4wjZIypVhnlvHA8=\n"
    },
    {
      "throughSeq": 3766,
      "treeSize": 3766,
      "rootHash": "2cfa8d941e426680942feb6a6d3cba703b6f730c8a3a7850d46a280cc5f4945b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-14T01:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3766\nLPqNlB5CZoCUL+tqbTy6cDtvcwyKOnhQ1GooDMX0lFs=\n\n— s4rciv-checkpoint sHLQXiufLmdOeCaDqlnkpsMIfijxjqMkhDAZ/ZOFfVooL8RJ1tIK3RabztOWqD/Esh2CHCTJBGSem0Lq3j/0SKOl5wU=\n"
    },
    {
      "throughSeq": 3765,
      "treeSize": 3765,
      "rootHash": "c263df44ffdf6259eb110f6b47cde24930021fe45fcfe3ded0f3181f00304864",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-14T00:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3765\nwmPfRP/fYlnrEQ9rR83iSTACH+Rfz+Pe0PMYHwAwSGQ=\n\n— s4rciv-checkpoint sHLQXvl/vTBqT3oY46F1rRsMFsuSqeOFYMWln9Ix1MDKesOIB/ah1tWrEbPm6P2PG2CZ6S0fuCmjPby3IAqkdOFN/Qk=\n"
    },
    {
      "throughSeq": 3763,
      "treeSize": 3763,
      "rootHash": "f0e285b017ec7861bed83f926af96518d5fa108dbbf2591149ea17c63b361ae7",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-13T23:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3763\n8OKFsBfseGG+2D+SavllGNX6EI278lkRSeoXxjs2Guc=\n\n— s4rciv-checkpoint sHLQXsOVWls6Di6kXv19O8s4uRic6z1R4HKsCacQfjIrBpgzoH9J05sd4F1iTS6CMBYJe6+meAs/xelbhpvwFxrhXQQ=\n"
    },
    {
      "throughSeq": 3756,
      "treeSize": 3756,
      "rootHash": "261e8f5b945c840b2142f7679ac620270ec045cd4a9454d45175c2332997712e",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-13T22:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3756\nJh6PW5RchAshQvdnmsYgJw7ARc1KlFTUUXXCMymXcS4=\n\n— s4rciv-checkpoint sHLQXkrUmAKIZeP0/OlJzfp1ohMfZAJPFharz/hNc801JbLi6J+4fbS5U6hcB8kE1PNM0+ACsY4W0bPhILW0uNuU5gY=\n"
    },
    {
      "throughSeq": 3755,
      "treeSize": 3755,
      "rootHash": "129a33875bb1d4f144011941f289c1619696f6c31625214affbe2da151c42284",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-13T09:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3755\nEpozh1ux1PFEARlB8onBYZaW9sMWJSFK/74toVHEIoQ=\n\n— s4rciv-checkpoint sHLQXqdYgeFZQdWFHJOGIlRq42K6ivZPWeIiBh87bge5RHQluNjcGHCCJYtB8KD9jrDjM4wNXRdhRwCs533kMZ7lYAM=\n"
    },
    {
      "throughSeq": 3742,
      "treeSize": 3742,
      "rootHash": "8619efb29c7850cd8ec672d01ef78b73f7e9be480c747a43ce5d5b28203cef49",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-13T08:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3742\nhhnvspx4UM2OxnLQHveLc/fpvkgMdHpDzl1bKCA870k=\n\n— s4rciv-checkpoint sHLQXlVHSn3O9mVRKMrfBWv0CfCy69QG6KziMKI1PaGROlkn1+uXqOLYdsNNbjvXmxgzfNTnt5pZrzo7VbHuBxLVMAY=\n"
    },
    {
      "throughSeq": 3741,
      "treeSize": 3741,
      "rootHash": "535b24b800a4b50dbcf0442e099780a87e8b305b03ff706d303cb00bc1341b0d",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-13T06:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3741\nU1skuACktQ288EQuCZeAqH6LMFsD/3BtMDywC8E0Gw0=\n\n— s4rciv-checkpoint sHLQXlmlT+Rtbvm6NRnj+mqwetaMa71z/DznbCZqSniKwa0B0LanHrXAMEIDpa2xYu48VPLWazi5APOUI3Gt+2AKswY=\n"
    },
    {
      "throughSeq": 3739,
      "treeSize": 3739,
      "rootHash": "5fec3a1e4c72ca3608a546d11fa097cbc1be97869e96d84954961cba5c1b36be",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-13T05:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3739\nX+w6HkxyyjYIpUbRH6CXy8G+l4aelthJVJYculwbNr4=\n\n— s4rciv-checkpoint sHLQXnUqm8+Ue7lWbA0ssPHqLpaOjN3rsACx68MtI+SfPwrAt6gacKaXLokCJotBP6WMYLzF7yFgn0o4t7zebcniaQ4=\n"
    },
    {
      "throughSeq": 3738,
      "treeSize": 3738,
      "rootHash": "06ede74005c63435bdac40dd0a3b5e004a83d9a8613bc430ba8c0aa15c89aa25",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-13T04:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3738\nBu3nQAXGNDW9rEDdCjteAEqD2ahhO8QwuowKoVyJqiU=\n\n— s4rciv-checkpoint sHLQXkvgjl01joK5yhTfSFQKsOSbnVXSK/g2iS0ImI41CevCG5q8RoEBZ2jNJEOQ3Sl6N8fJBmpT1gm9wtzN8UbRQAI=\n"
    },
    {
      "throughSeq": 3737,
      "treeSize": 3737,
      "rootHash": "5b309977895671451e9f6b5305bc559f9c8999b7dabe43c0642fbf06b2c7e2cf",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-13T02:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3737\nWzCZd4lWcUUen2tTBbxVn5yJmbfavkPAZC+/BrLH4s8=\n\n— s4rciv-checkpoint sHLQXr2kboJJ3T+xEvhGnQu9plJxFvixCAjHXVYuTzoTGDN1HZAoaOdRBAPPgbAVd4WvZevH1PyLDGmd1ntvgaC5XAA=\n"
    },
    {
      "throughSeq": 3736,
      "treeSize": 3736,
      "rootHash": "55cbe04ee3c1a50f6e9e89d73c8b7356d1eae51a1d632f1750559596f6f10da8",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T23:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3736\nVcvgTuPBpQ9unonXPItzVtHq5RodYy8XUFWVlvbxDag=\n\n— s4rciv-checkpoint sHLQXsijY6gtW6IryyL6APDUVDHDRttnlptLfpySTexfV9Jp7cC3lvQyybfKCed6QVJ97ZN37GGIhvZZfi0XlEC7IQI=\n"
    },
    {
      "throughSeq": 3732,
      "treeSize": 3732,
      "rootHash": "65bb4305387d6d7c71c9f5b426825c498caca15cefb0d519525a516cdbc73fa8",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T22:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3732\nZbtDBTh9bXxxyfW0JoJcSYysoVzvsNUZUlpRbNvHP6g=\n\n— s4rciv-checkpoint sHLQXtEozCBwRHaebc5FUPag9hitJdfNsW665NTcm0UBolHI22+Ue+rG5a98WUGvlfT3DFWsRbahyjzkTc+KozdRJgI=\n"
    },
    {
      "throughSeq": 3729,
      "treeSize": 3729,
      "rootHash": "68e732692fb0076ffdb5f525f9ac5ed8b2b757c3ab149c6f8399cb10fcebf45a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T21:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3729\naOcyaS+wB2/9tfUl+axe2LK3V8OrFJxvg5nLEPzr9Fo=\n\n— s4rciv-checkpoint sHLQXul9L3T+HFSvvsZNQ/9wGrykugbGTXejR/E/YS+XRG8UN3cGNeqDSVgqIuvDbhKlUviQPjkdevIfHju6Wf2HLAI=\n"
    },
    {
      "throughSeq": 3724,
      "treeSize": 3724,
      "rootHash": "fabca8dff34b0838194eb7fd00b807db8d2687049c25a7918bb3c006f5e6a9b6",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T20:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3724\n+ryo3/NLCDgZTrf9ALgH240mhwScJaeRi7PABvXmqbY=\n\n— s4rciv-checkpoint sHLQXjPjEXsyhYvfGh7blDgzBmY/bbodaMozrCfRRPo9hCyNNX94UvrNplm5bMyFTlHPTp5CoRirD2A7QBW3gyAapwM=\n"
    },
    {
      "throughSeq": 3723,
      "treeSize": 3723,
      "rootHash": "55bbb3094b27a8290c31e91ac402b49c51059d332a92261ee4172666a16f1f71",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T17:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3723\nVbuzCUsnqCkMMekaxAK0nFEFnTMqkiYe5BcmZqFvH3E=\n\n— s4rciv-checkpoint sHLQXiTFf1M+poHT6sPq82BT1WxV1RirerxMkZhaJFqFptQglIYJRhvB6lTc7dYmjmVeWIBVDXdAVKRAEPksJCol0AI=\n"
    },
    {
      "throughSeq": 3722,
      "treeSize": 3722,
      "rootHash": "085c405d91f31b637ec5338ddf4c10a929cac82e7100e2f03cdd7120e210390f",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T08:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3722\nCFxAXZHzG2N+xTON30wQqSnKyC5xAOLwPN1xIOIQOQ8=\n\n— s4rciv-checkpoint sHLQXq/DZX1pUf9wGuBNrWqtQz+ONGFLTMi4jdOzh18WKtGXNKO2QaV8OK0TSyzCc8aU7jupLvau6oHX0KdADBwAcwA=\n"
    },
    {
      "throughSeq": 3721,
      "treeSize": 3721,
      "rootHash": "81f4bb6001a8ddf7206e593d4b446af970b6850548fed5cb47fc6f7b63e4cb4d",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T06:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3721\ngfS7YAGo3fcgblk9S0Rq+XC2hQVI/tXLR/xve2Pky00=\n\n— s4rciv-checkpoint sHLQXtVSweYaT1qtSIZJXtAo/U3kGPN440LNuAJ5gaL8RhTni+qu2YtDZLCqKcgtoK6ZtGhKlaUCDeTB320jdnc8nws=\n"
    },
    {
      "throughSeq": 3714,
      "treeSize": 3714,
      "rootHash": "9995094c16e7d107e6891b18d1b7a423a6347ac5d5e39bf3dc1031116d229a84",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T05:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3714\nmZUJTBbn0QfmiRsY0bekI6Y0esXV45vz3BAxEW0imoQ=\n\n— s4rciv-checkpoint sHLQXrdYhGncHHcB2VwTczqNUqTcwd8JGH++XVVr3F8nBYYG0I35PZhSSpryqG7l7fXjyhvj0JPzaxXVNa5mGRt6igA=\n"
    },
    {
      "throughSeq": 3695,
      "treeSize": 3695,
      "rootHash": "bce4bed6760502033090b425593388960c6186ff426d3197e7faa51d1c577a9a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T04:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3695\nvOS+1nYFAgMwkLQlWTOIlgxhhv9CbTGX5/qlHRxXepo=\n\n— s4rciv-checkpoint sHLQXlTAbbzt4x/jtXV9BSS9YPlCB8FrjWy7r8qs6wVNOODff1md1Ej1VMUTBPMGPZBhoo25IwCTQ9zzlMA6jSywTQc=\n"
    },
    {
      "throughSeq": 3690,
      "treeSize": 3690,
      "rootHash": "c88dc90f499ce3b12814d0e452e6c0e46b1f38a72346f812286901ddea3f6986",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3690\nyI3JD0mc47EoFNDkUubA5GsfOKcjRvgSKGkB3eo/aYY=\n\n— s4rciv-checkpoint sHLQXkPqlsh1gFn7p+eDvrLZWnyY1kTkPSyOQFuOo8XMLTIZOue5XZtBM4xzAD+I8Pz44KiEYVYFS7DaovYQj8F6zws=\n"
    },
    {
      "throughSeq": 3688,
      "treeSize": 3688,
      "rootHash": "96d6a775644c347cb57ca419627164625a277bd93afa472811ae029c057ad244",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-12T00:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3688\nltandWRMNHy1fKQZYnFkYlone9k6+kcoEa4CnAV60kQ=\n\n— s4rciv-checkpoint sHLQXgEEXG2PP8N+w29vX1X6qZHh+zn7KhSXbPGi8KRVOhYmVLKHZyhVULQD38i33LFZICAWjIFXhD/R41Us5tRf6Aw=\n"
    },
    {
      "throughSeq": 3687,
      "treeSize": 3687,
      "rootHash": "cce56396afee049eca4a5187b1f655130d95f19608d8fbfaf4b6102df5887799",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-11T19:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3687\nzOVjlq/uBJ7KSlGHsfZVEw2V8ZYI2Pv69LYQLfWId5k=\n\n— s4rciv-checkpoint sHLQXkXm98UtRtikaw2apNFo12WUEEhvruDgbPMB1gFKqlwZtoMt3WS/DeL7fIBY3Hfhk2MV6Bhy2d1HR3jcXjPkSgA=\n"
    },
    {
      "throughSeq": 3681,
      "treeSize": 3681,
      "rootHash": "2762d80a6a28df6cfe32979c1f98934ec9271c402f9462cb2b62b30b79c6c487",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-11T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3681\nJ2LYCmoo32z+MpecH5iTTsknHEAvlGLLK2KzC3nGxIc=\n\n— s4rciv-checkpoint sHLQXiqHPrLnFxtqx8NNJy7L67NfMbiNpaYRzYD0E/pz10uEBcKoTOA6F4WyakzMAO/D+BBaLWpuGW4zBVDSSEOvIgI=\n"
    },
    {
      "throughSeq": 3680,
      "treeSize": 3680,
      "rootHash": "0dd80248835819b9719a937587a53d0cc080d2b41e7c9874ede28cae916b5081",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-11T00:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3680\nDdgCSINYGblxmpN1h6U9DMCA0rQefJh07eKMrpFrUIE=\n\n— s4rciv-checkpoint sHLQXnnRwkP7aGMt5X2qemWjUVfTGVbXs7vYpmwQqIhh1qUQQPhgDPCD6dD0rNtYrGJwRk8zlQEPfavqxHURMmryoQM=\n"
    },
    {
      "throughSeq": 3679,
      "treeSize": 3679,
      "rootHash": "0e507fd57e365f2ffc5109ba19887cc58f6e40d3048d8d1fd63d185dc822cce2",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-10T22:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3679\nDlB/1X42Xy/8UQm6GYh8xY9uQNMEjY0f1j0YXcgizOI=\n\n— s4rciv-checkpoint sHLQXg7gJmxX5h0ct5e6l431ZfZASUc9jRwYi3jRdEjSLt+YhB5pGbqm1yxWe2WNQRiL55ago2T91NfPVKc37ne1sw0=\n"
    },
    {
      "throughSeq": 3677,
      "treeSize": 3677,
      "rootHash": "f14fe3134a421ba811f475a40bf753c5489c868559e560609e61c26a60c84604",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-10T17:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3677\n8U/jE0pCG6gR9HWkC/dTxUichoVZ5WBgnmHCamDIRgQ=\n\n— s4rciv-checkpoint sHLQXgH7z+vRnLdzyXTSSJDNJjBGtcHC4DOaOJ7BUH7x/8Sw1kWJrBtpV/ok1vjOffhUye42S3IUNXQRSslIqOpI2wU=\n"
    },
    {
      "throughSeq": 3676,
      "treeSize": 3676,
      "rootHash": "103c5ed3f80ac9b846650e6c03d59fddb099cd7a16545a27c87694403b0b1314",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-10T08:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3676\nEDxe0/gKybhGZQ5sA9Wf3bCZzXoWVFonyHaUQDsLExQ=\n\n— s4rciv-checkpoint sHLQXscxOQgayhevcDOzygxNh2y6xh51I/OX4DBR7MtTWrNXLG9O32YiAkKQ5icPBp3oqbC+y+z3S7GGB+ydjfYWNQs=\n"
    },
    {
      "throughSeq": 3671,
      "treeSize": 3671,
      "rootHash": "00976c994fc6ca5b678dd6dfa9cb52c546eab966494e8d2ff8403737dd0a112a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-08T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3671\nAJdsmU/GyltnjdbfqctSxUbquWZJTo0v+EA3N90KESo=\n\n— s4rciv-checkpoint sHLQXgn2+Xa41P4LVdLgCUDtey7FHYjEOZndur3aKK8Z1iFCaxYLn8AbJOGP7t2GnfPc/iMR8hmyN/InbVvJAmK03A8=\n"
    },
    {
      "throughSeq": 3664,
      "treeSize": 3664,
      "rootHash": "466e4812d2b13bd824e2e3810397eb8705ed8f62cef8ff541469a4b6c856d576",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-08T01:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3664\nRm5IEtKxO9gk4uOBA5frhwXtj2LO+P9UFGmktshW1XY=\n\n— s4rciv-checkpoint sHLQXsz0vfNWEVtI3PSVtD7/diU9TiLemBK5RIemqz7ebniG9fqC2T5mkpgG1oVauUIjh4wzeXXYkbKKUP4juQ04Bws=\n"
    },
    {
      "throughSeq": 3663,
      "treeSize": 3663,
      "rootHash": "88a7bc94629e13378cd226747122958443e2fbfcd25293a719d8013993d3a49c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-08T00:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3663\niKe8lGKeEzeM0iZ0cSKVhEPi+/zSUpOnGdgBOZPTpJw=\n\n— s4rciv-checkpoint sHLQXjgBirAX69x6FoYO7pBLqBmD9YQZInAwR379Vs6wGUi0Vr8Ameo0mVge+8CZ6eQNblVoiDhdqvh5qB6+Uw6Ciw4=\n"
    },
    {
      "throughSeq": 3660,
      "treeSize": 3660,
      "rootHash": "c62d4b72eedeba17f13a66ac34ecea3aa980c8c7d0e750eb4b6a3cae9d9e826d",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-07T23:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3660\nxi1Lcu7euhfxOmasNOzqOqmAyMfQ51DrS2o8rp2egm0=\n\n— s4rciv-checkpoint sHLQXtfibPkpMT+LulM24tpCJfs4+8fwSyx/JujrBVWPqpK66POS+zitBfL2399z0EujY0BhxcEeAFQ7QcbRsb1tPQ8=\n"
    },
    {
      "throughSeq": 3658,
      "treeSize": 3658,
      "rootHash": "c5a16b9414c77fa44478bbce1ecc96eaa92617ef13323f04c5a898452d027bc6",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-07T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3658\nxaFrlBTHf6REeLvOHsyW6qkmF+8TMj8ExaiYRS0Ce8Y=\n\n— s4rciv-checkpoint sHLQXo2pROpiDVY419IZdnoDIUTWkRfwGcOEUkMHiLxu/qqeQFLJahBc8Ze6nnuyqMyZq6mX1Dwb1GrOOb/QQoMamww=\n"
    },
    {
      "throughSeq": 3656,
      "treeSize": 3656,
      "rootHash": "79be359280e4ec9506cb67f05c842e707392d76d5edcda4a3a36b4fe6bf11e00",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-07T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3656\neb41koDk7JUGy2fwXIQucHOS121e3NpKOja0/mvxHgA=\n\n— s4rciv-checkpoint sHLQXgTPUdWDPUqb2/SH7QA6Ctmu43l4icD35aGHXnSsF4zsavDsURhP4MuJ6eB0Q5eXqsqxipqrV9B58qhVlQ78Dgs=\n"
    },
    {
      "throughSeq": 3650,
      "treeSize": 3650,
      "rootHash": "125641147ade8478a7e2343305c1ea9c27d809c4e8610d351e126b223fe4a027",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-07T15:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3650\nElZBFHrehHin4jQzBcHqnCfYCcToYQ01HhJrIj/koCc=\n\n— s4rciv-checkpoint sHLQXk9McclBIH7oURMEFN8F8kkh45n984gHRJaxqVI3euD5S15Eh/h086T/6ihRdxKaW1mLmc87L8d2jcYMm84dGAs=\n"
    },
    {
      "throughSeq": 3649,
      "treeSize": 3649,
      "rootHash": "eb46d720fa818b750114d4547e47a360ad65b9b0dbcc94a9fc3cc32644e9fb8b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-07T09:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3649\n60bXIPqBi3UBFNRUfkejYK1lubDbzJSp/DzDJkTp+4s=\n\n— s4rciv-checkpoint sHLQXnCNb12M1dLgRRBbcviIfPq73PTC0h6QmA3857Le9ffjU+yerA+x7r9gH1g19Zr9Lj7wKMTt9OkbLYUTgLwIeAE=\n"
    },
    {
      "throughSeq": 3644,
      "treeSize": 3644,
      "rootHash": "76a22af39305411a64d56a8a3311ca15b4f8f492c91cbf2fddc41f59c9448365",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-07T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3644\ndqIq85MFQRpk1WqKMxHKFbT49JLJHL8v3cQfWclEg2U=\n\n— s4rciv-checkpoint sHLQXj06HFJLV6uj+Gcw0CCtLu6z1mLao9paMai6A8SGl1+gQSWFQUfpTPCLvBOip668N56SWmMTHEogqZpqrC1v+wo=\n"
    },
    {
      "throughSeq": 3643,
      "treeSize": 3643,
      "rootHash": "e9407bd2ca845191518408d841b6d0892df06e6ffdd7c3d9312cb12960599a11",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-07T02:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3643\n6UB70sqEUZFRhAjYQbbQiS3wbm/918PZMSyxKWBZmhE=\n\n— s4rciv-checkpoint sHLQXuM8K1sL8p36iTsDt2JfIDIInBtLQGu/fiIPT+bH4RnVHzllLADg7VUdTM3q1o2xW/ya2Iz0DlPA1tkz/HXilws=\n"
    },
    {
      "throughSeq": 3642,
      "treeSize": 3642,
      "rootHash": "dc2324c980a80b99da984d666182dae3aa78773d94b04e02e616dda734213981",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-07T01:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3642\n3CMkyYCoC5namE1mYYLa46p4dz2UsE4C5hbdpzQhOYE=\n\n— s4rciv-checkpoint sHLQXskW2I1BR3ypfFTzuYNCJzFOA0M7RpOgvoT8AONxKmljW2AYbCvrFuzTzUk/fDQD5STYce6KxyiDlL7JwuUSZgs=\n"
    },
    {
      "throughSeq": 3641,
      "treeSize": 3641,
      "rootHash": "5f68ef70459ec4fe113b91b3f0505f1e923bd5147f7de738d341059c380cf2b4",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-06T23:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3641\nX2jvcEWexP4RO5Gz8FBfHpI71RR/fec400EFnDgM8rQ=\n\n— s4rciv-checkpoint sHLQXia2k5fO673iVr3GlGZ1nP7qaXnmGnsd/nBVDpTUc4B/+9xYt0Riq9DMpkTHAGLDeX8CDDVkibQnKo0XET9JjAc=\n"
    },
    {
      "throughSeq": 3638,
      "treeSize": 3638,
      "rootHash": "2773c6328830da531732461ba76bf0bd2561d61b0cccb799426a116f2af1e794",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-06T22:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3638\nJ3PGMogw2lMXMkYbp2vwvSVh1hsMzLeZQmoRbyrx55Q=\n\n— s4rciv-checkpoint sHLQXpW49EcBIRxkpfOP9BXleXk3N8E4O2qjuHnD0esJwQevbyWaYtc2rYuoHsxtRUCHX0ew2wMcYvRdIxwix21EbAU=\n"
    },
    {
      "throughSeq": 3637,
      "treeSize": 3637,
      "rootHash": "575b376109ce2087e1106761771be01eae8c0acdbb76fddbca855834f593eb74",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-06T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3637\nV1s3YQnOIIfhEGdhdxvgHq6MCs27dv3byoVYNPWT63Q=\n\n— s4rciv-checkpoint sHLQXrnjYIKu7XlttUUE9SrDZl2QSjs+QTvPoDhlaZI8wW1UNImkwZbgooYlYkusSij7nmgcozWws0HzbVpMoo/fpwE=\n"
    },
    {
      "throughSeq": 3630,
      "treeSize": 3630,
      "rootHash": "9d0e5f611d11552f4932313064a3b13789cd8db1939198fa63536afb64577717",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-06T13:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3630\nnQ5fYR0RVS9JMjEwZKOxN4nNjbGTkZj6Y1Nq+2RXdxc=\n\n— s4rciv-checkpoint sHLQXmJP2iH7efgnrwgSKStPEnkD4Z1FjJmbSGs+8R+9qmyC2AFYx8vh9pFIGFvJ11g2PT+gb5yANht3Bz+M4IBbtwg=\n"
    },
    {
      "throughSeq": 3629,
      "treeSize": 3629,
      "rootHash": "89e18bf4d7aec811b94f08c65fe2b206c5fc0eec7c7e7309e799b4ffc6ee7054",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-05T23:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3629\nieGL9NeuyBG5TwjGX+KyBsX8Dux8fnMJ55m0/8bucFQ=\n\n— s4rciv-checkpoint sHLQXklSNk58JlqsucFn3L3vSqCsiQ7OdDdcBevSIJSwd/aTuV6SWi1vfqm7mKQaocA8jVlRU8ceG4/ezWmavR8EzgU=\n"
    },
    {
      "throughSeq": 3628,
      "treeSize": 3628,
      "rootHash": "53ebfe5b55377b32098fdb34d0e07d5a033fb1af75f9ed6611fb8520f6f519fb",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-05T22:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3628\nU+v+W1U3ezIJj9s00OB9WgM/sa91+e1mEfuFIPb1Gfs=\n\n— s4rciv-checkpoint sHLQXoaq3kDPt4E84gVD1is7fNgdVRm2N9FY3RhHAABeS2VR6U9nD5OlJnBlcm68skhp9UqqLA1u7saCyujHnbMpQw0=\n"
    },
    {
      "throughSeq": 3627,
      "treeSize": 3627,
      "rootHash": "d390aaba4743797692195350023233ce7876a6826ce92484729f1cc3bc478f11",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-05T18:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3627\n05CqukdDeXaSGVNQAjIzznh2poJs6SSEcp8cw7xHjxE=\n\n— s4rciv-checkpoint sHLQXmastqtlZoZwyiaMKFbQi+luLnjp4257Mal9D7YDBqwjRCHVDiruVcW1E+fl4QCeYh7rvcF+FHfgmxpbOCAiCws=\n"
    },
    {
      "throughSeq": 3626,
      "treeSize": 3626,
      "rootHash": "bc1cb623d096903842b9677d8911822ef9100081505ca11549f6238894703f2d",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-05T16:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3626\nvBy2I9CWkDhCuWd9iRGCLvkQAIFQXKEVSfYjiJRwPy0=\n\n— s4rciv-checkpoint sHLQXrmLWxGCmUP6BkyrritgT6l0MfFeThtKYbdB167nCQGp6wiNpBVzEiAOMSM2ft0aGjsJ3jX+mEz1+N0yg2wPMw4=\n"
    },
    {
      "throughSeq": 3622,
      "treeSize": 3622,
      "rootHash": "da2d73a4dfbad7b5bc2d9d67f2042339617b4206887c19e22214ac626a6b9553",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-04T23:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3622\n2i1zpN+617W8LZ1n8gQjOWF7QgaIfBniIhSsYmprlVM=\n\n— s4rciv-checkpoint sHLQXgjOC/x/sfp7/sYKEZYmRjrUN84g7bpyCYalGSuk0Sbj9PNGH2DKEyq1rU7Y7jbuWIC8roSQzH7s4biAlBxMvgE=\n"
    },
    {
      "throughSeq": 3620,
      "treeSize": 3620,
      "rootHash": "da3064a213adc899d45288d154e88e8969db102b68dffc6b54361557b2a7d645",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-04T22:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3620\n2jBkohOtyJnUUojRVOiOiWnbECto3/xrVDYVV7Kn1kU=\n\n— s4rciv-checkpoint sHLQXiKGfCOAjHufmKIf2pr6UstGw2DpHjmuTOx2JGR0/Y8i0LmCojy1wPzSWl/aEX8m8tz/azAi+bdDYVPvanT+Uwk=\n"
    },
    {
      "throughSeq": 3618,
      "treeSize": 3618,
      "rootHash": "79c8087c36fbea01006a174be0267e424f3d51062bb0525ae5f69287df01d622",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-04T16:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3618\necgIfDb76gEAahdL4CZ+Qk89UQYrsFJa5faSh98B1iI=\n\n— s4rciv-checkpoint sHLQXjMnNqkoeuNP78DPLeJ7onXJoN0tPtylClCynAfQclCB/GTohM39oQj9LUY9uOtr1HB5PQ0bDFEtHPo/iTZUHgY=\n"
    },
    {
      "throughSeq": 3609,
      "treeSize": 3609,
      "rootHash": "7cdf320858292f0ef55192de3e59bb59281a2d833d09b158328c45b58a3963f2",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-04T10:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3609\nfN8yCFgpLw71UZLePlm7WSgaLYM9CbFYMoxFtYo5Y/I=\n\n— s4rciv-checkpoint sHLQXpBzNH3lQDIlLlAPFdtK1oMqO6Zp769mj4FK6kWXAbTzJyQgWrARTzdplQhKqF0O6/qvr6GHavtnogcrB1Ie0A8=\n"
    },
    {
      "throughSeq": 3606,
      "treeSize": 3606,
      "rootHash": "532d143d29c1e4e94194d9cf24adf84c453026e82bc8ebff4f0fc278afa66800",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-04T09:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3606\nUy0UPSnB5OlBlNnPJK34TEUwJugryOv/Tw/CeK+maAA=\n\n— s4rciv-checkpoint sHLQXozZIwnSMkn4pN30bTwsoCd0+qKeZIZwtwye7Oq8T16J86PPnDwn1x893MA7ZrDUYjwjMjILVthzS1Kj010nlwE=\n"
    },
    {
      "throughSeq": 3600,
      "treeSize": 3600,
      "rootHash": "2ca28251301b9f6e918b2ab52666beeeec968dd4e9f357634d8cd97793de652b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-03T23:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3600\nLKKCUTAbn26Riyq1Jma+7uyWjdTp81djTYzZd5PeZSs=\n\n— s4rciv-checkpoint sHLQXhiympLBB6qsTc9TzVwCi/WuOobzCSnK1hAyrV3UO5ecZsLKC4p3cvo7nCPV7H22YS4z+gUWR6OkkHUnKa9ycwc=\n"
    },
    {
      "throughSeq": 3596,
      "treeSize": 3596,
      "rootHash": "ef47de08dd1e6fd3a11467d0ea53d2e6fc942be3d41e47052bac14ab873d1ada",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-03T22:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3596\n70feCN0eb9OhFGfQ6lPS5vyUK+PUHkcFK6wUq4c9Gto=\n\n— s4rciv-checkpoint sHLQXmrrmx80oxCe5WwiFz3xh7aXQMPj4B7jK0GOs6ju95vldd6CW4qWNCJfQ6v6YcilaDoyqN9vNM1w7U0zfC4RKQM=\n"
    },
    {
      "throughSeq": 3593,
      "treeSize": 3593,
      "rootHash": "15a752693b46ffd1adfecb2d32470dfe99672dcfe71e2977c2ae84d4394b2591",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-03T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3593\nFadSaTtG/9Gt/sstMkcN/plnLc/nHil3wq6E1DlLJZE=\n\n— s4rciv-checkpoint sHLQXl5GVaIO5vl4Wje9eSCHJw1A98GzQGU50XQU6lTPNBOPs8WqxnntDpWDCKUpFUed1luqobRgFGfN1xf5Ni6ZDA4=\n"
    },
    {
      "throughSeq": 3591,
      "treeSize": 3591,
      "rootHash": "c2fb4d974afe5d54a79fdb88a6b16d59c21eac3cec3b1f6223f665f5e4923336",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-03T09:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3591\nwvtNl0r+XVSnn9uIprFtWcIerDzsOx9iI/Zl9eSSMzY=\n\n— s4rciv-checkpoint sHLQXnFl31d+Zi8c6PeNlagkofquJ7IEXzAxfsIsD84d1RTgZb52GvUkiBRAUjHi501zjfm+WGJEP3DzGjmGKQoCpQI=\n"
    },
    {
      "throughSeq": 3589,
      "treeSize": 3589,
      "rootHash": "952014eacaaf0b5b814b322d2efa9480003b7a8d8de9d4d26d46025dcceff1e1",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-02T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3589\nlSAU6sqvC1uBSzItLvqUgAA7eo2N6dTSbUYCXczv8eE=\n\n— s4rciv-checkpoint sHLQXp6bRD6HlmPeHsgLx4byb8hvBnsUNPCrSMYHrdXVrWRYPD7RnqQy8WcjXpwZ8wpS5Bykd+YQfOnF6KsH3z+eqQA=\n"
    },
    {
      "throughSeq": 3588,
      "treeSize": 3588,
      "rootHash": "e028ed72fce779c597a7423ea407c5483ffefc0c98cc7259de7bcb954a960582",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-01T17:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3588\n4CjtcvznecWXp0I+pAfFSD/+/AyYzHJZ3nvLlUqWBYI=\n\n— s4rciv-checkpoint sHLQXiONGudlQK2YreKdreTG+mqRIAfZWTRELS/So/3leNi/1sPHX56skCnzRcUQny4MGs0pB0PVJ3W/B8VNFnlu/AE=\n"
    },
    {
      "throughSeq": 3587,
      "treeSize": 3587,
      "rootHash": "94a4b9b6cff2fbe61732426d4f0051864f751544cefd7935c16bd5c2ce1fcaa6",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-01T15:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3587\nlKS5ts/y++YXMkJtTwBRhk91FUTO/Xk1wWvVws4fyqY=\n\n— s4rciv-checkpoint sHLQXu+khsMQ4ie5pL9gN3WpMBGbP6WMYSX2DGcXnSiCNhpq53/UJWXiCywRd3FnmyPih4lsQdH1Q/BuUoJwiahR3Qw=\n"
    },
    {
      "throughSeq": 3583,
      "treeSize": 3583,
      "rootHash": "5ccc242989f05f04cb64ec8c64e38b37930faf628dfd166e4eee2c7ab3e508b1",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-01T14:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3583\nXMwkKYnwXwTLZOyMZOOLN5MPr2KN/RZuTu4serPlCLE=\n\n— s4rciv-checkpoint sHLQXnxdwg0dfz1Gz0MQY6OOwGo/Y2ZdQM3EvhybKfubCX61T4MIoe3hD4RWs/+dAat+gmrg7pSNw7uWAcE4CqNOpg8=\n"
    },
    {
      "throughSeq": 3580,
      "treeSize": 3580,
      "rootHash": "dda587b3ae7c64f4ad605f9ad8c65de0076e30af18a7aa7a38fd14f09c2ebaac",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-01T10:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3580\n3aWHs658ZPStYF+a2MZd4AduMK8Yp6p6OP0U8Jwuuqw=\n\n— s4rciv-checkpoint sHLQXrzSnkQth3UK6/R+uoc5nSBY4F97PRtJ9OUYXxoXSjL0x2EJkRPVq7EQkhz/GtgTFrFfkugxic0pkfI6w7Ht3QU=\n"
    },
    {
      "throughSeq": 3579,
      "treeSize": 3579,
      "rootHash": "feaa0d7d4495b9906f84c776e13e62fdb6f9d824f669df6967333d4a17d9c3d9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-01T08:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3579\n/qoNfUSVuZBvhMd24T5i/bb52CT2ad9pZzM9ShfZw9k=\n\n— s4rciv-checkpoint sHLQXvCw5zkgs7QVETFkxL7PlxM4pXJuzfQHalWufumZSLKksh8dCa/59rQSUP6YhjXLp2PC5J77VHYeDqer8eXp/Qk=\n"
    },
    {
      "throughSeq": 3577,
      "treeSize": 3577,
      "rootHash": "e8a666e98537094366347f3e74deb5cb22d9faeba91c6a10330e28c1dddb5adf",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-01T07:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3577\n6KZm6YU3CUNmNH8+dN61yyLZ+uupHGoQMw4owd3bWt8=\n\n— s4rciv-checkpoint sHLQXov6xTIrqigIHhywLdK7Yq826BFJ/xyHevhbpIxS9rJuqdRc20mvcQRZcBr3AAW6U7aDOgZHQ1NcUhxzg0/5Ewc=\n"
    },
    {
      "throughSeq": 3571,
      "treeSize": 3571,
      "rootHash": "f4546ec80942b42cb1a3dda1193f2f7fae31ed15b1f74e3f7b4ddff0cfc4af4a",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-01T06:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3571\n9FRuyAlCtCyxo92hGT8vf64x7RWx904/e03f8M/Er0o=\n\n— s4rciv-checkpoint sHLQXt3cJ32Vu3ZQXhw05JXlGbWqQJcxBMd/0XpiCuMTRT5/njemyWU9VfBL2Cr9krVSmSOybvuh9QI78v9ai1zWiA8=\n"
    },
    {
      "throughSeq": 3570,
      "treeSize": 3570,
      "rootHash": "5477b31a96bc7a0941c54447fe0f5f780b7dbdda625f74c8dae5147cea58b58c",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-08-01T00:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3570\nVHezGpa8eglBxURH/g9feAt9vdpiX3TI2uUUfOpYtYw=\n\n— s4rciv-checkpoint sHLQXhdV5PxEbYMSXBnA8ZQp0BcIaX/8OoJWDYufEwvOypEhFcMTkBx0sNCAGCbSKRcGBYn736L9FVog5Hcd5KeHJQ8=\n"
    },
    {
      "throughSeq": 3568,
      "treeSize": 3568,
      "rootHash": "1ac6e04bd380d2f0191a1ececa601dad23010f97f28c2549b510ed0fc68be8d6",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T21:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3568\nGsbgS9OA0vAZGh7OymAdrSMBD5fyjCVJtRDtD8aL6NY=\n\n— s4rciv-checkpoint sHLQXgiGF3Mhaz6eSlRWEVVqetTL5qL3up8uDhrTOAuip/sCcIcMnvF/Ii82teJcX0f/Z4jSqWPRIondESifGivgdw4=\n"
    },
    {
      "throughSeq": 3562,
      "treeSize": 3562,
      "rootHash": "c7f0bc6da807e732d39162b24e738d2b83d9dee6f65d5a3cb78697d3e04e24f1",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T18:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3562\nx/C8bagH5zLTkWKyTnONK4PZ3ub2XVo8t4aX0+BOJPE=\n\n— s4rciv-checkpoint sHLQXh3afoZv00D5YugCdhz2AWrCYuQDl33GopRoh6/dO7vNYDoFaedvvwehhN7fe8T6g4ATKA+3obQaQ2ZZ1PXK6wI=\n"
    },
    {
      "throughSeq": 3561,
      "treeSize": 3561,
      "rootHash": "fae0a2f7691f200a2a8ae3952e8ff6e3f9e2efcd40ed9d8f0945903987a7dc56",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T17:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3561\n+uCi92kfIAoqiuOVLo/24/ni781A7Z2PCUWQOYen3FY=\n\n— s4rciv-checkpoint sHLQXrMngTiC+p4458jp1E4nG4UzD5MzFH0bJFPD3KDNEb0bLfz/92ouwIdCgI2YgPJaF4YzNTVO+tLrr8XIG6AWUQU=\n"
    },
    {
      "throughSeq": 3557,
      "treeSize": 3557,
      "rootHash": "a3485c0468b2ff23d6ccd9992eaa4129d6c9c64f4b3c0a714a71ea79ce680820",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3557\no0hcBGiy/yPWzNmZLqpBKdbJxk9LPApxSnHqec5oCCA=\n\n— s4rciv-checkpoint sHLQXgg3icT7v0kdD00EeiBKh3ym5GPIwN4N1pXzb29Syk22RZ3w92NHhCyCzeg2BXsMVhzlOjYVVgkx+gm6fKH0YwI=\n"
    },
    {
      "throughSeq": 3547,
      "treeSize": 3547,
      "rootHash": "59e5f9cd1da9d318198dc07cf76bd25f75cd9c0faa7807820049a88b87157402",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T15:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3547\nWeX5zR2p0xgZjcB892vSX3XNnA+qeAeCAEmoi4cVdAI=\n\n— s4rciv-checkpoint sHLQXvhun1rsm6Em2wObHFQltO37E9imlBKQ16IwK7DEW2RSNCvyT0a3dPOHDXJxqNhxCR/gO/cz4z/xFqOoba+4YwQ=\n"
    },
    {
      "throughSeq": 3538,
      "treeSize": 3538,
      "rootHash": "88de100c7394cdd5c68a25c8d2ed95f82f29889011b892fa55c016a8c6284ec9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T14:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3538\niN4QDHOUzdXGiiXI0u2V+C8piJARuJL6VcAWqMYoTsk=\n\n— s4rciv-checkpoint sHLQXjsqDAhTi6aRENeaseQly9VqW2G+40vDioM+vWAqXjY+v2bl24nhBqyn8Q0Zos21Jl3YZD3N3tLmXmCwbgM5rAI=\n"
    },
    {
      "throughSeq": 3537,
      "treeSize": 3537,
      "rootHash": "75b602c8c1c24a2b783778ca8bd74c565e07fdb2967ff5b23a8cd2c3bb0f8d1b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T09:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3537\ndbYCyMHCSit4N3jKi9dMVl4H/bKWf/WyOozSw7sPjRs=\n\n— s4rciv-checkpoint sHLQXpMPM+D3fUCxSAFSvG7JLeyLynB9RdRAtniR3+IVIf38Y8GyxfAFx00W6CG0zBLz8snyQ3oKVl/Kn8HXn7OlnAM=\n"
    },
    {
      "throughSeq": 3536,
      "treeSize": 3536,
      "rootHash": "2345afd2bb856900f1fa8214779d0b56d93f78614a602e4e6ecf15dc27c2afb9",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T07:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3536\nI0Wv0ruFaQDx+oIUd50LVtk/eGFKYC5Obs8V3CfCr7k=\n\n— s4rciv-checkpoint sHLQXrQPchcsh9mm0JgnowsvWkhXLa6Rqjzg0Gk9TyniQRfkE4LoKW2mK7RzILr3b1ThsV7S9B472jHow2g1lfyo8gA=\n"
    },
    {
      "throughSeq": 3535,
      "treeSize": 3535,
      "rootHash": "7f8339d4d0e1b58cafe3d1440b1987f2ff1922adb95847ad21482ddb98498753",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-31T04:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3535\nf4M51NDhtYyv49FECxmH8v8ZIq25WEetIUgt25hJh1M=\n\n— s4rciv-checkpoint sHLQXnLQ53I7flJhY1ySHEpztZImyalPLChR4rxcYw+sMHU0RJiEfE7eUyU3I0OVv6yNKsWOIceutGTSKWYBIZXAtQk=\n"
    },
    {
      "throughSeq": 3534,
      "treeSize": 3534,
      "rootHash": "2bdcf6bce3f90ebdb8e073d2c0af06c6d5088a95932830ebc08a538fa2c91d91",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-30T23:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3534\nK9z2vOP5Dr244HPSwK8GxtUIipWTKDDrwIpTj6LJHZE=\n\n— s4rciv-checkpoint sHLQXm3ZOCFU/EcO/2OIjqVMVYjnbp8+zD8v23prKMJM48jR5m2SwvyIAlflHtrjnDblw5qMyGxqZzbwlT/ly2tTUgc=\n"
    },
    {
      "throughSeq": 3533,
      "treeSize": 3533,
      "rootHash": "c96ac6c616aaafc5c47364a75bd14682b733f0d50e41dc7a36fab24d92876259",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-30T16:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3533\nyWrGxhaqr8XEc2SnW9FGgrcz8NUOQdx6NvqyTZKHYlk=\n\n— s4rciv-checkpoint sHLQXnQMOJeFQ9Z87TfJSnfsdkA3Sd8/TGC3H348oHVSiAlScEC9tEwd7V9epqzCPQddqoB0wXZg1ApC/aSfwxFT/gY=\n"
    },
    {
      "throughSeq": 3530,
      "treeSize": 3530,
      "rootHash": "c69079984bb3ff57b63fc174aa7925013415cbacac06fbac2db4b3f64a252e0e",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-30T15:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3530\nxpB5mEuz/1e2P8F0qnklATQVy6ysBvusLbSz9kolLg4=\n\n— s4rciv-checkpoint sHLQXt4iCRtCrEaRF5sKY45Xl/rfjzHdJj4sng3TD8Nh2Fa2mD4pgIWTkvF1jT/ZgIN1bh1IP50b6tHP+HrGlmbOMgc=\n"
    },
    {
      "throughSeq": 3517,
      "treeSize": 3517,
      "rootHash": "adac4cef9532c78f44cefcf9703a873738ffe5a31c4c48be13b55787899e7965",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-30T10:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3517\nraxM75Uyx49Ezvz5cDqHNzj/5aMcTEi+E7VXh4meeWU=\n\n— s4rciv-checkpoint sHLQXrvC1ITIpztRKLRTgn4b43uZCjcdo5QK6Us1tlLLiLSD4Be1MClMVUJJA36qBX5mHfLUYllZk0vhv2MXlYnNbAM=\n"
    },
    {
      "throughSeq": 3515,
      "treeSize": 3515,
      "rootHash": "bd49257d17f80760f8365e964906d2b051503b02fac338524f606e4ca3325171",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-30T09:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3515\nvUklfRf4B2D4Nl6WSQbSsFFQOwL6wzhST2BuTKMyUXE=\n\n— s4rciv-checkpoint sHLQXgFlkh5n9dBmkQcUFb0aG+oVzeT6NiRyDQsz1YjaacE9cM/9sdcVnr/Q7iBNoUXKgflvDMtsRRhJU8szOp8yzgs=\n"
    },
    {
      "throughSeq": 3514,
      "treeSize": 3514,
      "rootHash": "45aad7907384e03fb313747769a70316d28c966a7fe7bb6d5ee82da060eb93a7",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-30T02:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3514\nRarXkHOE4D+zE3R3aacDFtKMlmp/57ttXugtoGDrk6c=\n\n— s4rciv-checkpoint sHLQXobX8GZt1YQOmpjgluDhtHDdgvy/Uj3fMg5WoTQJF0ok6RvgYh31p+cgt5asHUiv7utw6+qwEyPcdN7FRdADgQ8=\n"
    },
    {
      "throughSeq": 3513,
      "treeSize": 3513,
      "rootHash": "03f966535388737f38b7cc3d913ba57f49549ddb5aad454deab4738344d2502b",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-29T15:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3513\nA/lmU1OIc384t8w9kTulf0lUndtarUVN6rRzg0TSUCs=\n\n— s4rciv-checkpoint sHLQXp8IoDO6A40f0jQ2pKOEDlSSf1b8uG/HFeESWYcLISbLmlHV4UBvWsTLJlx5GTRbzh//ZtnvAFdTo065cFZizgM=\n"
    },
    {
      "throughSeq": 3498,
      "treeSize": 3498,
      "rootHash": "93f01de77e5977891083668ad5f39dd3c7bc671d0371f68efe8a660b7a53feb0",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-29T14:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3498\nk/Ad535Zd4kQg2aK1fOd08e8Zx0DcfaO/opmC3pT/rA=\n\n— s4rciv-checkpoint sHLQXlnAedLEaJXBG9KeuGWrIwe1X3yulh0qRAdwXuAqdxvALz7yVzkqPNmKWszwXhT5XO8yOzKaACEb1zauZvRpzQk=\n"
    },
    {
      "throughSeq": 3497,
      "treeSize": 3497,
      "rootHash": "5141bc20f54fa027feb704c26a441c07467cb6f2f2d143081fb6e96fa12be422",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-29T09:00:02Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3497\nUUG8IPVPoCf+twTCakQcB0Z8tvLy0UMIH7bpb6Er5CI=\n\n— s4rciv-checkpoint sHLQXjE3YdgU+B9dWbQBpcQHC140ZNJUxpSsUyftCoksxlriHJDzxEQo1SphSbiTWxChLyFMl9mP1wn4+oVd/bNxLA8=\n"
    },
    {
      "throughSeq": 3483,
      "treeSize": 3483,
      "rootHash": "f927ceaf26f6d8da58a42d85fe963e1d2b4ce2f810f4c290de394b57221d0336",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-29T03:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3483\n+SfOryb22NpYpC2F/pY+HStM4vgQ9MKQ3jlLVyIdAzY=\n\n— s4rciv-checkpoint sHLQXnp16oapwRPHps8uEn/HxdzPrugVUdpDiFU2nALE7P20FcT8cLbrLp6+59X6HFIJfISZavMiTnzh8XSGi6O+jQM=\n"
    },
    {
      "throughSeq": 3482,
      "treeSize": 3482,
      "rootHash": "3f1931cebc14c2fe84799f27717c18adf87c08d56acd8f587870f1c3be1b53bc",
      "algVersion": "proto-linked-v1",
      "signerKeyId": "s4rciv-checkpoint",
      "recordedAt": "2026-07-29T01:00:01Z",
      "signedNote": "s4rciv.org/observation/proto-linked-v1\n3482\nPxkxzrwUwv6EeZ8ncXwYrfh8CNVqzY9YeHDxw74bU7w=\n\n— s4rciv-checkpoint sHLQXuIgWySbezEdTb1mhZadMtqrNMdhkDhS1nP0mdYqrtnL9K2jfqPaHMV4zcsn9bvAJg4a5HDkAIlWQ3HTLfLJvAU=\n"
    }
  ]
}