{
  "height": 21,
  "block_hash": "99f56bdd0b27dbb75314ddbf2f60ab57435cfe5460f3501a701f026b2d94d16b",
  "header": {
    "v": 1,
    "height": 21,
    "prev_hash": "6080e68206301c750044f731de8b7e98a9019d068377f042323658812b1572ca",
    "merkle_root": "964a5dc4235b01d9562b30689ded9ed5157deea7e84701ac548515dd2af8901d",
    "first_seq": 23,
    "last_seq": 23,
    "entry_count": 1,
    "at": "2026-10-24T02:49:44.257Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T02:49:44.257Z\",\"entry_count\":1,\"first_seq\":23,\"height\":21,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":23,\"merkle_root\":\"964a5dc4235b01d9562b30689ded9ed5157deea7e84701ac548515dd2af8901d\",\"prev_hash\":\"6080e68206301c750044f731de8b7e98a9019d068377f042323658812b1572ca\",\"v\":1}",
  "count": 0,
  "domains": 0,
  "distinct": 0,
  "cosignatures": [],
  "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."
}