{
  "height": 63,
  "block_hash": "e4b7e2b1f56a8e1f2e622b17ec1f45958681d00e12a0e1ed0a109b1ea25c9dba",
  "header": {
    "v": 1,
    "height": 63,
    "prev_hash": "27a5ac77eba4b89643c4a8f75e22d275ff752b76ca65a751a541b2425fa6006f",
    "merkle_root": "2e798529c6a3aadefdc5546605ed285d24776844c5543a0a15143a0287cfa6a0",
    "first_seq": 153,
    "last_seq": 153,
    "entry_count": 1,
    "at": "2026-11-07T01:42:45.158Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T01:42:45.158Z\",\"entry_count\":1,\"first_seq\":153,\"height\":63,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":153,\"merkle_root\":\"2e798529c6a3aadefdc5546605ed285d24776844c5543a0a15143a0287cfa6a0\",\"prev_hash\":\"27a5ac77eba4b89643c4a8f75e22d275ff752b76ca65a751a541b2425fa6006f\",\"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."
}