{
  "height": 45,
  "block_hash": "46f492861fec9033a4d6b5dbec60b11e1f8a1418e05ea8468c21659d359469a0",
  "header": {
    "v": 1,
    "height": 45,
    "prev_hash": "985eb038f9cb32a9dee163097240858b703e1c9ab5793439d3b9cb5a3bf69e16",
    "merkle_root": "79636da797ab08abe976424444c4b6ac220e4e71129f988a12bee5d04c8e6173",
    "first_seq": 125,
    "last_seq": 126,
    "entry_count": 2,
    "at": "2026-11-07T00:59:14.960Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T00:59:14.960Z\",\"entry_count\":2,\"first_seq\":125,\"height\":45,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":126,\"merkle_root\":\"79636da797ab08abe976424444c4b6ac220e4e71129f988a12bee5d04c8e6173\",\"prev_hash\":\"985eb038f9cb32a9dee163097240858b703e1c9ab5793439d3b9cb5a3bf69e16\",\"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": "xMsU+9KZbzYlylBqZjv3dH9SsTVqf8WPzc/F6kNv7RAdny78XC9n6Iy5CZbEVdDDZKbzXIzWn0wwQCMm9EHvBw==",
      "at": "2026-11-07T01:01:19.408Z"
    }
  ],
  "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."
}