{
  "height": 5,
  "block_hash": "ac5123c6e0feb8edf41b3bca3ed9fc93aeeb530ef47b67e022c9d68fbb966e10",
  "header": {
    "v": 1,
    "height": 5,
    "prev_hash": "c6fbc96265961f34d7f5286ed4bb91d7817caa31c35fe928cd7f13593b1258e6",
    "merkle_root": "ef52359a561c226f4a7306c07a16a5f34b2c44408583d2b87f6811c7f2a5bc1f",
    "first_seq": 54,
    "last_seq": 55,
    "entry_count": 2,
    "at": "2026-11-06T22:30:18.468Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-06T22:30:18.468Z\",\"entry_count\":2,\"first_seq\":54,\"height\":5,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":55,\"merkle_root\":\"ef52359a561c226f4a7306c07a16a5f34b2c44408583d2b87f6811c7f2a5bc1f\",\"prev_hash\":\"c6fbc96265961f34d7f5286ed4bb91d7817caa31c35fe928cd7f13593b1258e6\",\"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."
}