{
 "note": "A DEUSPROOF ledger checkpoint: Merkle root over the first tree_size ledger entries, signed by the operator's did:key over 'merkle_root:tree_size', timestamped under RFC 3161 and anchored to Bitcoin with OpenTimestamps (the proof below commits to SHA-256 of signed_payload).",
 "signer": "did:key:z6MkjQKbLhrmBFHVjSGcLw5K32Cb4zJL9tSb7Uqfzu2MH1eL",
 "signer_history": "https://deusproof.com/api/anchors/issuer",
 "id": 1672,
 "tree_size": 39675,
 "merkle_root": "b75dfcbd0652faae51324458773c7120115ad3eeea6a716304f83dcd8eb66e0a",
 "signed_payload": "b75dfcbd0652faae51324458773c7120115ad3eeea6a716304f83dcd8eb66e0a:39675",
 "signature_b64": "CgH5S7YsWs/4NmqFyDkQRDZo0fPrmcBOPMEEyYiw3uyqrCGMkjJLDavl4vOrLTvrpfajrqFbkQ0LiHNBgDl4Cw==",
 "rfc3161_token_b64": 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",
 "ots_proof_b64": "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",
 "bitcoin_block": 973827,
 "created_at": "2026-10-30T12:23:02.895574+00:00"
}