{
  "height": 72,
  "block_hash": "b98380f0c149bfaaaf331e4e30cf9a3a19ff7f901a04cc09fc7a246273d8ee98",
  "header": {
    "v": 1,
    "height": 72,
    "prev_hash": "35b8ce208d809f5793c26d9663a874b16b31795cad7000ba6f90311dc805eedf",
    "merkle_root": "18b259e036feb80551a63414cf4accfcf134cb7fa7e458a96602e55b77b7dc3a",
    "first_seq": 166,
    "last_seq": 167,
    "entry_count": 2,
    "at": "2026-11-07T02:04:15.214Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T02:04:15.214Z\",\"entry_count\":2,\"first_seq\":166,\"height\":72,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":167,\"merkle_root\":\"18b259e036feb80551a63414cf4accfcf134cb7fa7e458a96602e55b77b7dc3a\",\"prev_hash\":\"35b8ce208d809f5793c26d9663a874b16b31795cad7000ba6f90311dc805eedf\",\"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": "/2ySKt2xr3EMmwRjR+DUlGQAs7fNj9RpYpOcpVuKDNlMdorg62UDRjaFXNRJ71h9D751bZ0lZcBJvswSB9IkDg==",
      "at": "2026-11-07T02:06:33.402Z"
    }
  ],
  "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."
}