{
  "height": 76,
  "block_hash": "4c7e982cc8aa6aa5ecc866354e009f23e8d9de8b880e9b9680d6e54dbbd2380b",
  "header": {
    "v": 1,
    "height": 76,
    "prev_hash": "c6e1d46395278236eefd3e57c88aca734c5b379de152660fdaf94515e4ddbd89",
    "merkle_root": "435872d5aa90ea05b16d11b644870344921d86e2ba6be199d4e008c27b2903a9",
    "first_seq": 172,
    "last_seq": 173,
    "entry_count": 2,
    "at": "2026-11-07T02:14:15.244Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T02:14:15.244Z\",\"entry_count\":2,\"first_seq\":172,\"height\":76,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":173,\"merkle_root\":\"435872d5aa90ea05b16d11b644870344921d86e2ba6be199d4e008c27b2903a9\",\"prev_hash\":\"c6e1d46395278236eefd3e57c88aca734c5b379de152660fdaf94515e4ddbd89\",\"v\":1}",
  "count": 1,
  "domains": 1,
  "distinct": 1,
  "cosignatures": [
    {
      "label": "W-001",
      "key_fingerprint": "77b542fc",
      "relationship": "affiliated",
      "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAnJnfTc5OB9AM75nfNzHGtIt1GnTRB0nY5FbWNwl43Q0=\n-----END PUBLIC KEY-----\n",
      "signature": "KzTZqIS/m309VN8vo5hQTpMmPD/WvPpK/DAF8FhKQJfIuzcG4cxg1lULieXieYWYHjvFTAtMkLg7gaoWj+HzCw==",
      "at": "2026-11-07T02:16:33.414Z"
    }
  ],
  "how_to_verify": "Each signature is Ed25519 over signed_bytes (canonical(header)), checked with the public_key_pem carried in its cosignature record. Witnesses are labelled by registration order (W-001, W-002, ...); public read models never carry a witness's domain or full key id."
}