Evidence row 1774349

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9thA9r"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f6bb38fa-4f93-4d0d-b4e4-52ed8d410f5e/.well-known/agent-card.json"
    ]
  ],
  "name": "Brero",
  "owner_address": "0x7c98c3fd3a3cbeed8a467a5051499b759b4df223",
  "raw": {
    "agent_id": "9838",
    "agent_uri": "https://centralcity.ai/a/9thA9r",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brero 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/9thA9r",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brero",
      "registrations": [
        {
          "agentId": 9838,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f6bb38fa-4f93-4d0d-b4e4-52ed8d410f5e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9thA9r",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793550387,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:31:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brero 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/9thA9r"
}

What the leaf hashes

{"body":"a71b8dc7488f95091cdd1ca7eb6339cb1b514e8ec302cef8e290f83c710113f6","id":1774349,"kind":"listing","method":"sync.erc8004/1","observed_us":1793550665121072,"prev":null,"subject":"erc8004:5042:9838","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xc33f3d163bb0ec582a182046f6c3f931dfa75ced5b44537253260c4d9c77bc07
2. 0x9d6fe87ffdeaa59babf2130d141e705c91e397e8f3b38c067f24e8c05d48c6b9
3. 0x1a3b5348d38a918db63602e97c19e0e3b7b440d443e184e50d1586c1d2b016b0
4. 0x0750978cad500c50327244d1092005780c01f0e91cdcce1651d72a8e3fa79a65
5. 0x66c647d9dcbe57f2776e6f481aa306331273095dd1f0812afbaed7a0e4e37510
6. 0x702cdc7ee209ce90d214edb06554e4bc954229483c396561223f869722c1bef4
7. 0x552bfb63e68186ecabc1302c99f92a16b16e486a241e361757ecdea488d70161
8. 0x366b7585e4d3e9aa2f0b9ddad6a7dc184ecbc244ab0ded6600e87ea770f66960
9. 0x8f677b6aedf11bc4fa0f1a3e0139218a200aa5cb8ff9c831f5de4ebd2f4b5b36
10. 0xff733f1c92b26b8c5d45263992ab23ccc48d118d17a6f1f3f60c6538dd008f80
11. 0x6bfeee4cc7d0cc19f3d874bfcb548ebbb2594ad8d4fe0ad0f669573074a7743c
12. 0x2341fe3058274d292666071bc8119652951968d15cf7d285531e210018e7ea3f
13. 0xefa31efdf607e8d04b8c9fc919db78fe5a26a3ddbd6b0e7563c8ca73dc801298
14. 0x5da52d6bfc8f88d79ebced4b6bebec468f5c2d8a21c193d44e901c7a6ce7941e
15. 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90