Evidence row 2548338

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cKtPk5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e1316913-aaaf-4db6-bf28-0165594c1b70/.well-known/agent-card.json"
    ]
  ],
  "name": "Hellero76",
  "owner_address": "0x546c2c3dedd5d3bc2766db10de5370fb13939c15",
  "raw": {
    "agent_id": "167131",
    "agent_uri": "https://centralcity.ai/a/cKtPk5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hellero76 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/cKtPk5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hellero76",
      "registrations": [
        {
          "agentId": 167131,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e1316913-aaaf-4db6-bf28-0165594c1b70/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cKtPk5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793690983,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:32:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hellero76 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/cKtPk5"
}

What the leaf hashes

{"body":"000721754a2377322b55c3d71b0762c3ba6734022aafd6f5c01ffc84d3a06732","id":2548338,"kind":"listing","method":"sync.erc8004/1","observed_us":1793691151885326,"prev":null,"subject":"erc8004:5042:167131","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. 0xbc7df05ded2a8f9853b44c4af700210f3faccf7e68752a5e859c4b6151132042
2. 0xcdc43c9a5837b10f03e213d1d35a3f405694cc6770beb2c95570ceb5f6042a33
3. 0xe6b54037df51f4afe0cdcab733b278890bf0d2126aec2e0210618fb1dabb24a5
4. 0x22369c7b1c0691448f5d14cf32ae4c992b4857b4ccef07599e998dc185eed00c
5. 0x46048a37f0adb4958879e85faed8cc362e4cd8c45e1a09db514f0d46fe25fdc8
6. 0xce08794e474d05bea84c76cb432e9cb44e9544e1b21898147c52fcdca882b0e1
7. 0x380352e2fcb9cfee40eecc20e00f7930060e4849bbfd1ff10690e183d8086cb5
8. 0x797faf20c704b6715e897ff4c4d1d3169db6917e57e142f3f6cb6debe0e36875
9. 0x27fe771bdd9be0059edd009e9c616e9aa788ca3aec500382e1e1921f1ce2b5ce
10. 0xf1e14cb760ad2820b68141e6761d025b928796b0483ae6583a330260db9c54e7
11. 0x5a1ad70bace113b6468d4bfbc74831eb3403a3e846480d283804038e2f22023d
12. 0x7ce601fc96d647ce2463507747a850bd2b37655c54170e4e68ac13eab78c269c
13. 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7