{
  "height": 77,
  "block_hash": "ecf7c240b9edfc8f546f3da1cbc20d957b0fcf4e5242f030066277fdde340043",
  "header": {
    "v": 1,
    "height": 77,
    "prev_hash": "4c7e982cc8aa6aa5ecc866354e009f23e8d9de8b880e9b9680d6e54dbbd2380b",
    "merkle_root": "9770a5af2f8fc4d2c8c62fe5c2456f2f3fb3a1186a2178f8787b37f831c2867a",
    "first_seq": 174,
    "last_seq": 174,
    "entry_count": 1,
    "at": "2026-11-07T02:17:15.255Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T02:17:15.255Z\",\"entry_count\":1,\"first_seq\":174,\"height\":77,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":174,\"merkle_root\":\"9770a5af2f8fc4d2c8c62fe5c2456f2f3fb3a1186a2178f8787b37f831c2867a\",\"prev_hash\":\"4c7e982cc8aa6aa5ecc866354e009f23e8d9de8b880e9b9680d6e54dbbd2380b\",\"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."
}