{
  "height": 150,
  "block_hash": "7e17df07dbdfeb84453f089e1fabdc98c5eb2d06d2d2d00bea6f1436e6f4b72a",
  "header": {
    "v": 1,
    "height": 150,
    "prev_hash": "32b1730a19c336a4c14382cbc7aacbb6d32df262fdb97d13aaa9b97e9d5679c3",
    "merkle_root": "4a9f15c9139685658f3d15d7d0b8e0e1f99b902c217863ec5ab3818c11356c0f",
    "first_seq": 171,
    "last_seq": 172,
    "entry_count": 2,
    "at": "2026-10-25T02:09:23.580Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-25T02:09:23.580Z\",\"entry_count\":2,\"first_seq\":171,\"height\":150,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":172,\"merkle_root\":\"4a9f15c9139685658f3d15d7d0b8e0e1f99b902c217863ec5ab3818c11356c0f\",\"prev_hash\":\"32b1730a19c336a4c14382cbc7aacbb6d32df262fdb97d13aaa9b97e9d5679c3\",\"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."
}