Evidence row 2565875

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Qj0Vmc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/71be2f7a-1c2f-4c3c-abb4-7d5a6d968161/.well-known/agent-card.json"
    ]
  ],
  "name": "Festo",
  "owner_address": "0x75b015636b8d8ef7b72e2dc2dc6fdd234e35c791",
  "raw": {
    "agent_id": "176054",
    "agent_uri": "https://centralcity.ai/a/Qj0Vmc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Festo 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/Qj0Vmc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Festo",
      "registrations": [
        {
          "agentId": 176054,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/71be2f7a-1c2f-4c3c-abb4-7d5a6d968161/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Qj0Vmc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793701417,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:27:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Festo 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/Qj0Vmc"
}

What the leaf hashes

{"body":"372c818510cc1f0d75992e1cace0db6fbe7a1a3bd423c5749a3eedf7660f093c","id":2565875,"kind":"listing","method":"sync.erc8004/1","observed_us":1793701658964184,"prev":2565605,"subject":"erc8004:5042:176054","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. 0x63699ffc35c79fd5ccf118dfc0cb7afb9bb4722b01a6b2557e4a1d70d6d268ee
2. 0x55312f55d2a47de66a097b9d6ce5f5d2c0f148c7624160c6c6db651e8f4bc34b
3. 0x90c313ef5752a321ecccf7a713b210ef66577c83db16467048d2464626db16e6
4. 0xd427f7ef568500c581f755541e29a9ec3aa8300d0c7d119783109f939afb9bd3
5. 0xbe0b513f7cd48f444c571576239431cdfc17c53e51997680a2a1bf6a924d30d9
6. 0xf044c065c08d377d57ed8743fc05ae8d8b4f15c4a90689ac68527e140a70bca3
7. 0x706c07b6a574b4c78bfa0135090b07a71d78359ed9635b374665913a9527675b
8. 0x8705b4caa8b6d4b021566ca5267372ff764b7d47facb96f5803539ad59c091bb
9. 0x59423e02d2da0c2ebd9fc1d4a782fbc147693238889b5fac97a383a3badce24e
10. 0x3f6de6d414151c48ce92361b7b43aa4825303798412bf823b8e2b88d26606951
11. 0x8f769f6377ab742859f9b30634229afcd44145028fd50f6519b85c3bdc094c18
12. 0x9e1a291abc134f2f4b03ec8cdf7eb3a9ec9b04abd42813940f072904597540f8
13. 0x935aada10f117485a9e2b905a05d3c89c0ea4c0d9218f126f2818246c6d7a5f8
14. 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7