Evidence row 3040172

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gXY8If"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a6a4463c-ac3b-4763-969a-3e2c69bc64e9/.well-known/agent-card.json"
    ]
  ],
  "name": "Feirkert",
  "owner_address": "0x8a7ee8585cff43a4cce4a0dfe0175406fcafbabd",
  "raw": {
    "agent_id": "269128",
    "agent_uri": "https://centralcity.ai/a/gXY8If",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Feirkert 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/gXY8If",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Feirkert",
      "registrations": [
        {
          "agentId": 269128,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a6a4463c-ac3b-4763-969a-3e2c69bc64e9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gXY8If",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793813398,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T17:33:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Feirkert 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/gXY8If"
}

What the leaf hashes

{"body":"a2f667ac2c5f5c2f2e12cce8b8df8763559faa900bcaf7b9df4bbb992b743b3e","id":3040172,"kind":"listing","method":"sync.erc8004/1","observed_us":1793813601581370,"prev":null,"subject":"erc8004:5042:269128","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. 0x218027619c62fe9f856b9d3cdea09a7a2bec53b8822efe7926d58c78bd9f97f6
2. 0x984c4c738995703b044ad009befbe72f80ca8ed0d35a859f0e87c966d7911110
3. 0x7aefd0247b45386fa2be516036bb0e6a72cf9c20492742c74fa68337cb44e555
4. 0x98954fbd30dcf8819ad6ad09349ea19718a9cacb3a07bc3f0e6dbfd33c3dcb42
5. 0x4f5a68b0bf850b68993a1e084cea64af4b52312fbcff989785079c51180ac287
6. 0x9421a6db081174319b71972470f3503be78b33d28040048546a0fbcf74d42232
7. 0x27505f9f2d346a339836bd96431d59065afc19400761f7f708020606d822a388
8. 0xbe554733a8bf37e979fdd8e38f02bcc4a43e1f314ef0f87fad588fdf2a24ccc8
9. 0xcd41812b1a630c411fcae774003bd602d5f5b4df7a9396a3994f9a024c4e927f
10. 0xc8bc1f028f91d6c14e14e94a37afefd7baecc94b61a3afd17ba7c357bd2b814d
11. 0x334dd6c97c3be8db6cb6c3f995ac4ae88f21aefbf3620fc3e311343ebe63241c
12. 0x4c894c0dcc27050384aa146595a83f16ecbda59393a62ba01ffe9c420d911793
13. 0x12c229bab672223f7ecd08e40792eda3e4c45c819ea4d5ccc57467a24cdf3d81
14. 0xd5576f8b7b71ad8f963970f922fc9f5477ebb72a69425e5f0eceef6203a7981b
15. 0x4abf06392be817fed1d4142854589c0ecb4a0254010bceee86244cf6d2d411f3
16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345