Evidence row 3023812

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/iIIUoW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aca43841-1a56-4a0f-9802-c789a31d17a3/.well-known/agent-card.json"
    ]
  ],
  "name": "Britofa",
  "owner_address": "0x586e7235b6db8e296520f34dd1270f8b9cb5b580",
  "raw": {
    "agent_id": "257770",
    "agent_uri": "https://centralcity.ai/a/iIIUoW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Britofa is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/iIIUoW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Britofa",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aca43841-1a56-4a0f-9802-c789a31d17a3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/iIIUoW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T15:33:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Britofa is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/iIIUoW"
}

What the leaf hashes

{"body":"36b0f3c9fcc06061ce44c7be7f99098d4ab8749fd377ff10a8976eccf298a0b0","id":3023812,"kind":"listing","method":"sync.erc8004/1","observed_us":1793806397108791,"prev":null,"subject":"erc8004:5042:257770","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xcc416fc3f29f9891a7192721030a25c6ea7f5cf0c9b7f0af9caa65e49345eddf
2. 0x9d9340bf769eb44640849611a2af382ac0a33e3c0f8a3a748bf6611b524d655d
3. 0xd9538532ca26ce702a4c6f8b93d2751d9c6f78199b1b2d2e34db3df34c8a2f7e
4. 0xb5d419ea1c2e08c826cb6a6b294c0da3446b6013b876a9c177d80b9abe1647ca
5. 0x8d4983ad4b00abce3c21ee978c5b246fdbf86ed0ed755b0ef9e07559ab130845
6. 0x094e4140d82f7ab165a00fc025468828b31876894a9e325cccae4b739d45f138
7. 0x4f8b01497795f771d650b98fdcc6bc277eacde166967e612fc8910a537b1fe67
8. 0x33ffd986373f72cf4f5b4e898f5d46ed6adbf0662a1218ad31b3dd2ca42739eb
9. 0x618fe608b80a09881f2059770c5ea450c885c9b317667dbdc5108dec3d56c272
10. 0xef5f36e8a50b7af0bc68e0318d57a4c41803ca1ca6455ca6cd958625b5034d47
11. 0x76bbc07986df02d18357aea8acfd4e17f9afd3d9190d1a849004d0502b368063
12. 0xf1c8f8f856c45860f1b45d1862c7b227ef509c54e4d3b7f04d8656b8d67da9ff
13. 0x612203b0a18f5db8c084c8afbfe92eeeb923cc8882cf01e3e9a9e831e2bfabae
14. 0xe41c2851c6fb24c6e15e2203479b95c7d0a99699161a99434f0b744f6d0541bb
15. 0x90983442ab42e700d20428d242c4145406c7d45f3761d2e64f4fe48376715c6a
16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345