Evidence row 2721573

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uMaHfi"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8470dc69-9dc2-45cb-b20d-44ed2dd0fccb/.well-known/agent-card.json"
    ]
  ],
  "name": "Nurker",
  "owner_address": "0x0a3299e4a9e10f7523d86d8d1097df0245f9251b",
  "raw": {
    "agent_id": "208532",
    "agent_uri": "https://centralcity.ai/a/uMaHfi",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nurker 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/uMaHfi",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nurker",
      "registrations": [
        {
          "agentId": 208532,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8470dc69-9dc2-45cb-b20d-44ed2dd0fccb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uMaHfi",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793744632,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:28:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nurker 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/uMaHfi"
}

What the leaf hashes

{"body":"e4625c963e9a2ea7e6853ab02e87a339a18446ae0e8e62a079041b947593aa64","id":2721573,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744938804095,"prev":2721301,"subject":"erc8004:5042:208532","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. 0xfc626838084a841bce1e243a4c66331085626bff02a12892d1ed257e95367c0b
2. 0x160b2b30d3058cb768483a1ccbfdb478fdfb48b218fcd229b3630b300dc9c823
3. 0xdc5d807c249f9c2c0a9fddb763592ab46086e87b822c609309d9e643c2690529
4. 0x9cd67927006685e0949521fb0114d84507356b7ba4f22fc4b1798790ea20953d
5. 0xf0eeb816d212ec223c8ab5bf8ac0801150f02e7ac6d87d4d02510e7f34f9093b
6. 0x11de0b5a4674478aba7b8a9b4cb87f6002d5b903792491e807bb0e0530d8191b
7. 0x0243fea2d6e40e8ccb299b62701022e79a25a3bea62005b28fc679e1a3868ad8
8. 0x6ebefa18d0326e187bf0bfcdbab4bf71f3ca6621ca4161d9aaf71879a20ee954
9. 0x195dc5aabe9e7d7c6e9cd261d83b8c26c7243c6ba430865673940ec9d9e07a1e
10. 0xff5df5bfd473336a6f7727ce5256618650a72dabde74566d891960a9c65bb470
11. 0xed22ad04dde0ba43bc33ed0b6313bb55d55b9d56e855a3d279206ca09259931e
12. 0xcab7a6e31d37510b5b0dc721cc4f39483e1f87d2a170cfd38163f538e19c8c31
13. 0x60079cfab9dfee47546954dca240be72c67c7307edb40b9efb6dcbc22b705c62
14. 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7