Evidence row 2557172

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UUBBB7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4c494f2c-772a-44c9-90bb-eee37a953a46/.well-known/agent-card.json"
    ]
  ],
  "name": "Heizik",
  "owner_address": "0x4362f4f57e7cb7f7c062cc26f1a0dae4cbc8d1c3",
  "raw": {
    "agent_id": "171823",
    "agent_uri": "https://centralcity.ai/a/UUBBB7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Heizik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/UUBBB7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Heizik",
      "registrations": [
        {
          "agentId": 171823,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4c494f2c-772a-44c9-90bb-eee37a953a46/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UUBBB7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696511,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:03:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Heizik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/UUBBB7"
}

What the leaf hashes

{"body":"1469249a5a9c3f789b45555b93a33dda86de27fec4fa666619aa8a7c1f4f4483","id":2557172,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696598866265,"prev":null,"subject":"erc8004:5042:171823","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x8754710080c326487592f3505aa60265b7c9e6bb9a6cddc4be8fb64d9f56edbd
2. 0x0e2c1c41a8eeed9d3421ea9f49585fac5ff44b800db1a37fb8e52434d2b5229f
3. 0x9c395293e6bb3d431c8911e8739bad9d44c3195c63aa5f6984b1d59e5b26b7ad
4. 0x1ece803d213a359492ab88d46202cfe591b89c8135a71a1a475793580bbe7fd7
5. 0xf02418954f544682f943bb410b43444dd6839b86b8a70f10431ebff20bea03a8
6. 0x62dd7f7228d14d8c1038edebddd8c26fae15bf2989d11e3c952c1058f221e349
7. 0x317d4d86e54f7954648b1fc7e3da525a3fd1bdca00f7b067a24a72fad945b3f3
8. 0xa461999f488a64f601bc1886b443d2eb193e19ba3ad2e751c7b33aa652d3e0de
9. 0xcb6ed919fe0e10429babf32bcbc7b1ff821c2cda5b5d9bd7ec9e1651bc5a5fa7
10. 0x5663976e7c70cf9a4f53a1de57833071ec8ae07670b9231dd595bdd1fd3c0ce1
11. 0x92dcabd239569bc5a9046dcfd581e78e7589c07ae556d83f0b1de44db2b271eb
12. 0xf5249807888ff0e7aaaa657e6a1e2d2a6df984a716b1ed7aa58dabeaae1aa32c
13. 0x9fcad7b6a3a72383a675ff1c88984ed98f2e83727da75d3965a28fb3c0515c37
14. 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7