Evidence row 2561841

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": "0xee1f2ce3d5e9bde47365c113b133088a3303e834",
  "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 Arc through Central City. Passport: centralcity.ai/a/4D9Nvt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifabel",
      "registrations": [
        {
          "agentId": 174338,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "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",
      "updatedAt": 1793699511,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:53:52Z",
      "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 Arc through Central City. Passport: centralcity.ai/a/4D9Nvt"
}

What the leaf hashes

{"body":"0eda4034bf8a37a895a758a9bb04893196f9ccbac9f0fefe978323e10f0c6e48","id":2561841,"kind":"listing","method":"sync.erc8004/1","observed_us":1793699632232037,"prev":2561589,"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. 0x7918e2966e7231f993c35c00ea0e5da97af2aeb120bf1fe6c356a6f4a13026e0
2. 0xe3ce3757af1787b75786916b2bd81add057c0c65827cae3241951f21992dd41a
3. 0x7ddaf36629cd144d158e40ad49ce7372ffb0c7e248d76cf7e37c72a1397817ee
4. 0x3d7235d1a7497d3ae7f5e9c8bc7e6961fc15c75b184f3fa95ae90968fd0704d5
5. 0x7f856890161657659611e3c5151d527e07bce96d113cb1462b763578ab4cf36b
6. 0x04aee8b462eefb56d4ed8771ec11a4f378f8479792a790669c5db28118ba4ce2
7. 0xe11d7818ee610b10849f0378825310547142f1ac31b195acb1778fbaf93ee95a
8. 0xdb3372225fdf9bea5a952df11eca3dd29acaad39b2b6d7e698d23a1c484e8b9b
9. 0xdc5e355303beb61c3fec88964089ef91592b88b63cbaf7631e836093e96f58f1
10. 0xcb201c729ec8eb19c45b73798b1548bdcb9bbd89e06c6b9f24d519adc25acb1d
11. 0xe26e3aad28bbd271249f1402d89eaebe5e75bb7a33f3d68b4ef5ca5bad0163df
12. 0x3fa57566e096ea59590ce0052f286b064180b4c543d9b402bdbeb4136e0fe8a9
13. 0x5298391d265ab9f80c949e86e9bd5b637fedf3347217f0b74126011e53908e9f
14. 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7