{
  "height": 75,
  "block_hash": "c6e1d46395278236eefd3e57c88aca734c5b379de152660fdaf94515e4ddbd89",
  "header": {
    "v": 1,
    "height": 75,
    "prev_hash": "fbf0cf9f83409d1933ad91b503f532951a9ad6735a56f639a167c2ae7e7372bf",
    "merkle_root": "7e6a4c06f6cac7e793fe87a908168fd49f7dc3b3cbedbd4a430431789f8bedc9",
    "first_seq": 171,
    "last_seq": 171,
    "entry_count": 1,
    "at": "2026-11-07T02:12:15.238Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T02:12:15.238Z\",\"entry_count\":1,\"first_seq\":171,\"height\":75,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":171,\"merkle_root\":\"7e6a4c06f6cac7e793fe87a908168fd49f7dc3b3cbedbd4a430431789f8bedc9\",\"prev_hash\":\"fbf0cf9f83409d1933ad91b503f532951a9ad6735a56f639a167c2ae7e7372bf\",\"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."
}