Evidence row 2561589

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4D9Nvt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e18a49b8-99d6-40bc-81ee-46d975d19539/.well-known/agent-card.json"
    ]
  ],
  "name": "Hifabel",
  "owner_address": "0x31b03475ea17401e0634bf842a46b3d4f0ee0760",
  "raw": {
    "agent_id": "174338",
    "agent_uri": "https://centralcity.ai/a/4D9Nvt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hifabel is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/4D9Nvt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e18a49b8-99d6-40bc-81ee-46d975d19539/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4D9Nvt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:48:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hifabel is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/4D9Nvt"
}

What the leaf hashes

{"body":"39d8be57d69ac1a3f925f41fe02e426bab0878e151de6f277ea681fffda4fc28","id":2561589,"kind":"listing","method":"sync.erc8004/1","observed_us":1793699300395200,"prev":null,"subject":"erc8004:5042:174338","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. 0xd61a961e37e2b200cff0c6be76b549c126cb0c9984510c6d1240922250684b37
2. 0x5d236e7e255dc957d435ed9d0defe435095adb7c7fc482b81a518acfe0359341
3. 0x34302c5b357cc12d768dc8e08ecc7165b513a471c4cbc8924558fba949bf7795
4. 0x87b937713cc60c697b8a9c3944e9b95578e0cddaaad35444a5a21e9dab3af21a
5. 0x65445173636731e6389eac847c96a05561b6c2b0dbf868411ba47295163464ab
6. 0xe5aaa75c68ff3094b44d4fbfad5d4bd76c9f69887b10f4ed267524c2564c4a8f
7. 0xb337e32c79f3b28da70f815f674fdca0d8da8010995ae64e5774c5baa9d2ac08
8. 0x0dc7aacb61b274ec6c45164cc5ed840d49084b880388e073a66a4a2f3a8191bd
9. 0xfae23d6e33bd600916d9b7fc3941f4b88b306ba14d4ae7ffe352e3e99cd9f7ba
10. 0xbe1981c608e390180598c542f01a01037c1b94a27e571ab92137f9e33a08d43a
11. 0x7d71a10d166c21db90e9ec1924ce54d7cd5a7a25a650ed5da3404d196746849d
12. 0x057b909703f90e9c9ff75ad5298fa8fb0d46bf6aaac2c05c0231a8953f710f28
13. 0xce9b3265fd4a1a5e8698c5c73a9e511cda70851e8acf6892984553578379a29c
14. 0x18c35417f7b285121a68d43297e370931a92ea9fb5a8410afcf7e021d5ec8b7e
15. 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7