{
  "height": 66,
  "block_hash": "16b4dc28a643490df80f1adb9d965c35fa6bfe52703e42445641836fd3b4ae59",
  "header": {
    "v": 1,
    "height": 66,
    "prev_hash": "1a97990412a884ef2c892bc00b304df269ba2512e423f54589423b81417cee96",
    "merkle_root": "56aae58c6938f969b039ffc01dd355ed85bcc0e9cb4fe4eaeff477343a127bff",
    "first_seq": 68,
    "last_seq": 68,
    "entry_count": 1,
    "at": "2026-10-24T19:03:37.188Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T19:03:37.188Z\",\"entry_count\":1,\"first_seq\":68,\"height\":66,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":68,\"merkle_root\":\"56aae58c6938f969b039ffc01dd355ed85bcc0e9cb4fe4eaeff477343a127bff\",\"prev_hash\":\"1a97990412a884ef2c892bc00b304df269ba2512e423f54589423b81417cee96\",\"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."
}