Evidence row 3023354

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yed8gQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/40e4f1cf-f424-47eb-a6be-58486b50becd/.well-known/agent-card.json"
    ]
  ],
  "name": "Grata",
  "owner_address": "0x777410f9ee46cdd591645844484f5b6f3b4e5a39",
  "raw": {
    "agent_id": "257312",
    "agent_uri": "https://centralcity.ai/a/yed8gQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grata 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/yed8gQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grata",
      "registrations": [
        {
          "agentId": 257312,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/40e4f1cf-f424-47eb-a6be-58486b50becd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yed8gQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793806151,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T15:33:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grata 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/yed8gQ"
}

What the leaf hashes

{"body":"546c4fc5e44997cca69a5523e28b5a717b6ed702e386066d1d00c347873f127c","id":3023354,"kind":"listing","method":"sync.erc8004/1","observed_us":1793806394800078,"prev":null,"subject":"erc8004:5042:257312","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. 0x86b7337a5a393ef247babf2b7a7905d329101da732e313d7d0daba3ef11995c2
2. 0xf8c219321eb543b82177dbf5de6fe473a8ddd72c4084d1f21aae60252c23ac81
3. 0x82d0d7121ca741ec210a12b3f410519c0eb996dd7c4ef6d674ef5b3b86f4bc5b
4. 0x31572f0d2e8ffaa7074df237277aae845db8a755c65233a2e403c24031ff7989
5. 0x593d3c2307dd98e0e673008bc7c15ca7b888a1a4dc97761c0ad4d4d223efcf7a
6. 0x2c44affba1dfa4916d9eb0810b5e7aca27148944738c5ef6c9b227c68f21b261
7. 0x4de46275b91f4fa43cbc24bd329303dd0bb117c27ca2fa728b40f1916a0273ae
8. 0x9c337293b6dbaea738a0d1c857c812670a189a26ec8e80c749afb10c0f77b327
9. 0xf04ca4992f905a5ab9c770da8bad26e75582018d0a7af03e7c27baf39c3d3633
10. 0x9a663966310df5629e29ecff14a773b7675a540d739702482dd731c2905f35d2
11. 0xb9ae769f317d8316f5312dbb68954d4702e944f53160e07901813ef7ad4f3141
12. 0xf8c912f5a60a443b753e7959b771df8a1d724ebd90312267a556079e366e8ee9
13. 0x94c004491f555f082be1a38172d879542c52b6d1ed19e62158f3b9ddcd5769c9
14. 0x4d0a7156ec796edb8d5a0d2e4485532fbdb3169d97aba38a0b511c2d6f628d21
15. 0xfd43ba7389cd962b524a46ad83e1376d2c8058f201e4e5045df6cb4011c39a08
16. 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345