Evidence row 2503579

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7vtyOe"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0601d492-7f87-42de-895b-8c12e2ece786/.well-known/agent-card.json"
    ]
  ],
  "name": "Nivito",
  "owner_address": "0x11627ce7722e2a6f06df34a32b5b9decf024f5b8",
  "raw": {
    "agent_id": "150288",
    "agent_uri": "https://centralcity.ai/a/7vtyOe",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nivito 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/7vtyOe",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nivito",
      "registrations": [
        {
          "agentId": 150288,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0601d492-7f87-42de-895b-8c12e2ece786/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7vtyOe",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793671502,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:09:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nivito 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/7vtyOe"
}

What the leaf hashes

{"body":"40118304522514d8ef5444d34c92c3a2fd2e81d281104b344613e405de6379e8","id":2503579,"kind":"listing","method":"sync.erc8004/1","observed_us":1793671751022352,"prev":null,"subject":"erc8004:5042:150288","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. 0xed0b69077f907877413f3f5be9bbde23f2a22c1cee2fd98e96f4b4f3bcac15c6
2. 0xf12120afea4d4b00260b71ddb8cba5d721ca9cebcdadfbaf652af7fbdce8173c
3. 0x185d294e1250e8079d14e37a6382c9fde09259aa2488e7d2efe37fefb3e8dc24
4. 0x32232452b8a34bfcfeb78696ad0fc60afd68ac4da4362ca710e4d2f5cb2230ee
5. 0x095d3c366fb26ac5efd370c285c28a61ae968543b78441001f599f674213dbbc
6. 0x2b251e86a2e618ad07926ae0fd87d6a09c30da5aaebc110ff92f52932f793a89
7. 0x1e5851046eafcf2acb7345bc718579ca722719838979841966218ccaf04d12f7
8. 0x43d823245848f2dc8159fd55dad1ed414b7e4a10095865d3a09dff7efc4453b2
9. 0x7b0986fcf5f761253911104b41802b110f7529931afdf5c3832abf3dc06ed826
10. 0x6f91166e6e902b5b530c5f6707389e1077de8063bc49431f6a033ba9700f09ac
11. 0xaf9c0db04fe42689dbde2c86141826b7166eba91e2c50272782f99d94eb41a6f
12. 0x3e14a54c6a439865af5ed15784a9e7980e57d2191e4f764053c87eab828b7071
13. 0x01e9de68aa9b43892927b1c264f77e0ac05047278992dbb0b29801b5ee9c6fd2
14. 0x2548979bbd7b1568b5a14db6fca0201979c48165192f2b55f45fa21471031e4f
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7