Evidence row 2603903

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ykFopT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/52b324ce-9887-42af-9c60-66180dcbcf4c/.well-known/agent-card.json"
    ]
  ],
  "name": "Grentias",
  "owner_address": "0x6722800935b5c146f2aae95f8b666da69579d015",
  "raw": {
    "agent_id": "190821",
    "agent_uri": "https://centralcity.ai/a/ykFopT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grentias 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/ykFopT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grentias",
      "registrations": [
        {
          "agentId": 190821,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/52b324ce-9887-42af-9c60-66180dcbcf4c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ykFopT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793719430,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:26:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grentias 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/ykFopT"
}

What the leaf hashes

{"body":"27055e14636291fde7f6072e4a8b7a89ef0874f3f4074214010b139c2b39cd6f","id":2603903,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719594637810,"prev":2603671,"subject":"erc8004:5042:190821","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. 0x7735ada97bb3b8f50415f7e3f31194a2228d05f1b7b2ba4227548ad114e8ff6e
2. 0xfc48aa7982c1cdae197a12fee26ca8b2a79783c23a332cc34f9454461c4601d7
3. 0x3f58733dcd8c19b919845c5e92eb6257013ad45a9fda8b5622f088dcd5e45c72
4. 0x72dae472c0e4b8129ac7fb8aeaf9ba018141ccf8370a38724f3f665aa259827b
5. 0x3acb4c91ac00a71b48fe104adb96d34ddaf542a925f42d9c15c6b4fccc6d84d6
6. 0x39de380cbfed8b10760c82bdc7629186a18f054121f735718d242845f88c5db1
7. 0x457cfd3ea1770380fdbbfae7a3721504c78c73cfbc183f127469b86e5a6a5b52
8. 0x64bce41593bb8599b01109738ff0c43bb66b2ae4d7841e4577c60fc1e5611b89
9. 0x3b2bc04ab8b6e672f33cc38ee2a8ea0f3108c042d79cf2013de36539b95cf3cc
10. 0x7811a749453c75b30e52d57cafa4fa75e76d1ee49991ed71d48940495cc820d5
11. 0xf5a2197ac2dfd1a5c003788ea5f80886ce8bc2197cd69df62c230ed2eb806bbd
12. 0x113a721b5ab2af9dceb537299d64b98b1f2c69372877c5da971b3d334972d9ef
13. 0x276dacad1f390f5977f95336e789bde7e7fd04ac932e79c2603c87496f39bf4c
14. 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7