Evidence row 2547120

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/O0JuUM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/20dc093d-8398-43e9-ba6f-4297b7c9ab7f/.well-known/agent-card.json"
    ]
  ],
  "name": "Briarkus",
  "owner_address": "0x2f3843743dd7a008d85af548347a2ccf4b140709",
  "raw": {
    "agent_id": "166371",
    "agent_uri": "https://centralcity.ai/a/O0JuUM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briarkus 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/O0JuUM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briarkus",
      "registrations": [
        {
          "agentId": 166371,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/20dc093d-8398-43e9-ba6f-4297b7c9ab7f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/O0JuUM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793690237,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:20:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briarkus 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/O0JuUM"
}

What the leaf hashes

{"body":"b031282450e3bda23085dc5ce2eebffe77cf118a1c461508feec92e6e0ed5f40","id":2547120,"kind":"listing","method":"sync.erc8004/1","observed_us":1793690423742150,"prev":null,"subject":"erc8004:5042:166371","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. 0xedc897f1f2bcd3409ddc702f7e518bc8a03be68eee705d6cc1716af5c52dcbf7
2. 0xc2853e6ddca9b3aec7761a3552c1a2e250e633a7eabb06b53c0358b6991d9971
3. 0x2a94e4f14f8fb42c7864321de3b9c6d97338331abddfbc34477fd68ae285a6bb
4. 0xdab30ce9c0a97797dd3eb1929db6efd6d1881bda6c98de98b9b16f547e618e70
5. 0x817c93ea7c213f784b286b639d73b4a9e6cd49b3a0b9dcb516b0408ce2974f8c
6. 0xe934df71f7f46b66b6901f9864b15abaf7f43070028918cd4e7c9750e47c4d85
7. 0x15e14705718e380fa57024c14b0507b9439350c32345d44c38d60407a066b54e
8. 0x2a2295878a45dd0eab333351b891a533aab4fa077b912d9cca5d54a5e49534de
9. 0x823a55b06de3db55f9ec0d7b0526854085a3dc441093b5386d6b287386c351dc
10. 0xb4caa66fcfbca821591e3aee12325ce76e2da9306fb0dcb2af724a299d9d9178
11. 0xf5729321b754cc39f318972201dab05c3750e2a2180b2bdd5864bef23ac2e2da
12. 0x3e14a54c6a439865af5ed15784a9e7980e57d2191e4f764053c87eab828b7071
13. 0x01e9de68aa9b43892927b1c264f77e0ac05047278992dbb0b29801b5ee9c6fd2
14. 0x2548979bbd7b1568b5a14db6fca0201979c48165192f2b55f45fa21471031e4f
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7