{
  "height": 12,
  "block_hash": "4b05c697d239585dac61706307dfab182e8a46cecb2593c909fea6afb2311ad0",
  "header": {
    "v": 1,
    "height": 12,
    "prev_hash": "55c169560b3da22c9790809f174d29d031a4217b8a7b938425e27d5dc4568d13",
    "merkle_root": "593f711b9c8aa09c628e5c21d47a8c6179a82aff2bb7c29bb020b8438314526a",
    "first_seq": 68,
    "last_seq": 69,
    "entry_count": 2,
    "at": "2026-11-06T23:05:18.589Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-06T23:05:18.589Z\",\"entry_count\":2,\"first_seq\":68,\"height\":12,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":69,\"merkle_root\":\"593f711b9c8aa09c628e5c21d47a8c6179a82aff2bb7c29bb020b8438314526a\",\"prev_hash\":\"55c169560b3da22c9790809f174d29d031a4217b8a7b938425e27d5dc4568d13\",\"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."
}