Evidence row 3027314

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MQqBIA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c46285f5-817c-4f51-98c7-281adb6d5a90/.well-known/agent-card.json"
    ]
  ],
  "name": "Gradomano",
  "owner_address": "0x0e888bb1db0f0b35b14c67e3f6ccc247e99ca528",
  "raw": {
    "agent_id": "260256",
    "agent_uri": "https://centralcity.ai/a/MQqBIA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gradomano 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/MQqBIA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gradomano",
      "registrations": [
        {
          "agentId": 260256,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c46285f5-817c-4f51-98c7-281adb6d5a90/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MQqBIA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793807854,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T16:03:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gradomano 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/MQqBIA"
}

What the leaf hashes

{"body":"d12a4a002ed676042e0c27e833d01192913225d6a3e41af0753ad8b094708bf5","id":3027314,"kind":"listing","method":"sync.erc8004/1","observed_us":1793808190072138,"prev":3027136,"subject":"erc8004:5042:260256","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. 0x16a80ba1f1628e615cde508f20d112769882a1d4559450e79b56b5e2e8cddc96
2. 0x814fe136913f0ca6f09884042a51aa42822377bf09a3ab3825191deae0dffc02
3. 0x851038ca556dd7df3a9256ede41d461ab42985e8fe66943ad3ecb2f5587a4fdb
4. 0x25b6b6288b999a4cba148c75c8f9ea4e9ca09ec63701037a4577186636d4c767
5. 0xea294c94d29a73c17db3a369307ea98e1ff1be562d00155c551ad0f45a8c8410
6. 0x90dcf5a5cdf502c8ac9efa5c8c462b6194edd7fe053568ad0305c3d9494061d7
7. 0x23a14e48606cb1d711fa4e949e6d0c083ba8c53522907bc26546da84318468f5
8. 0x1657f5c1f6b005c9d99c8412067a265dfb412621ec827f04a44a558dff7e4f8b
9. 0x774431beeba26ac0da84e2687e5c2abf6fc180ddf3b46d6d17a729ab22535a88
10. 0x4a3ea0c12259d7cd9d886caf99f874ad3517581c3dea5b16bfc7cf97c0fce965
11. 0xd0ff64ed6d1d1d290f73d239174145db5d6553adced08b4eb16ace8a1de04a83
12. 0xcc87705796f7ab8d17981cdca4d5d530bfebde08a5552485a3836a8b8e40e895
13. 0xbcdfd1bcdc5f54ec826f1932cc2092065e88aa03f7845e1fb7380f152046a953
14. 0x6ac43d1174fbbc2d100be6f9123ae0aef5477b6638d0ccc4c3b63b712b3ff98a
15. 0xc548b1872185ffa8b629b319d34df11bb7ba9b287199b96bea02abad81eebaa6
16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345