{
  "height": 74,
  "block_hash": "fbf0cf9f83409d1933ad91b503f532951a9ad6735a56f639a167c2ae7e7372bf",
  "header": {
    "v": 1,
    "height": 74,
    "prev_hash": "bb7eb2517d16ee5b4f074e5b76bb53621ddcf711d379f9357beb3d43cfad04f0",
    "merkle_root": "b03cb1aace9d53b000f706c9e6a5904bfeebcfb595915dd4f6390d4c3268e4e8",
    "first_seq": 169,
    "last_seq": 170,
    "entry_count": 2,
    "at": "2026-11-07T02:09:15.224Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T02:09:15.224Z\",\"entry_count\":2,\"first_seq\":169,\"height\":74,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":170,\"merkle_root\":\"b03cb1aace9d53b000f706c9e6a5904bfeebcfb595915dd4f6390d4c3268e4e8\",\"prev_hash\":\"bb7eb2517d16ee5b4f074e5b76bb53621ddcf711d379f9357beb3d43cfad04f0\",\"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": "TBoPhFOD/fxKW3nVOWMVDgngP7efhgI+t8RLHUt+ShSrpuifBZRssw3k/uxuyvhOAlz0UdSmmRzCixGiPTMzCg==",
      "at": "2026-11-07T02:11:33.416Z"
    }
  ],
  "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."
}