{
  "height": 21,
  "block_hash": "bf4d4b3cf7fd652fa2250ad045999d635a875cf12b45003ef4d655a3ff195dd8",
  "header": {
    "v": 1,
    "height": 21,
    "prev_hash": "54864523a5aec2dbc8927008def58b6fbeba4bd222f564f24f5e6687ee3a735f",
    "merkle_root": "62c796322aeefee125086428c9641b9c2270f245aea7fb78e805f14c5b9ed19e",
    "first_seq": 86,
    "last_seq": 87,
    "entry_count": 2,
    "at": "2026-11-06T23:48:33.728Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-06T23:48:33.728Z\",\"entry_count\":2,\"first_seq\":86,\"height\":21,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":87,\"merkle_root\":\"62c796322aeefee125086428c9641b9c2270f245aea7fb78e805f14c5b9ed19e\",\"prev_hash\":\"54864523a5aec2dbc8927008def58b6fbeba4bd222f564f24f5e6687ee3a735f\",\"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."
}