{
  "height": 123,
  "block_hash": "5458aaa69428cee27ad363babc2d017c9591c35bb78a718bed4a2431597992a4",
  "header": {
    "v": 1,
    "height": 123,
    "prev_hash": "11c33ba0c1a04b815cf47abbdd9cfaa952f83a385d390bc8575964db872cf74c",
    "merkle_root": "78f0dacb0c92079a8eeecd108ed1dac6f422c6af4d978d919c7b699cb924f0ef",
    "first_seq": 126,
    "last_seq": 126,
    "entry_count": 1,
    "at": "2026-10-24T23:54:06.967Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T23:54:06.967Z\",\"entry_count\":1,\"first_seq\":126,\"height\":123,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":126,\"merkle_root\":\"78f0dacb0c92079a8eeecd108ed1dac6f422c6af4d978d919c7b699cb924f0ef\",\"prev_hash\":\"11c33ba0c1a04b815cf47abbdd9cfaa952f83a385d390bc8575964db872cf74c\",\"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."
}