Evidence row 3008283

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/utfnbZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7d900f39-3400-4fbb-91bf-9579fa4316bb/.well-known/agent-card.json"
    ]
  ],
  "name": "Studino",
  "owner_address": "0x15643dff9f0a0b446a8444fcb677cd1252bd849e",
  "raw": {
    "agent_id": "249108",
    "agent_uri": "https://centralcity.ai/a/utfnbZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Studino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/utfnbZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Studino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7d900f39-3400-4fbb-91bf-9579fa4316bb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/utfnbZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T12:47:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Studino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/utfnbZ"
}

What the leaf hashes

{"body":"1a5fbace760693b0c088766eed3a18bd89625de1e06f5ee6fae01a7588602a50","id":3008283,"kind":"listing","method":"sync.erc8004/1","observed_us":1793796442370339,"prev":null,"subject":"erc8004:5042:249108","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. 0x507734f26c7583fb22e57b9df0ea05c5810107a13c4664637cef98e6c1a17a59
2. 0x5449efd5ad2b88b6563a32bf5bd85158a2ded5e46ce3142155b87159447b92a3
3. 0x4498c9bd3377f5f6aaa80279d2efbc823c65b7ffebbd221153238c494f8287a0
4. 0x664c181ab8d7c7073f36f673ad6a3da94d3d877dc3ce72282cab3b8bef2ad16a
5. 0x68c07220544172d384739f305f8c1af0bd9fbd101ae1e951e76a68372e39fe67
6. 0x4e5a6c8c0f40b5f84663372ce5618d5cd94b15953f0f30487f469f6808fc9882
7. 0x6423bdf9484719ed390f59c76c030d32822fdd08d75ae77dd318ba6b92f62911
8. 0xae2b1ff919f5be31ea27ffc9b62abcd5f776c03f22009ef1412c125399ef9a01
9. 0x13d87900b75c34df71a953beee70d027bd11238944bac57c7e02f90ca465eb45
10. 0x9a806b4d527ad3f4dc28a6324f8b31b8ea019255cd23bc9a3151009da3890b7e
11. 0x4502cbb6de089ceba45e42e3ff1637a1b8fdea634a2d8cd15fffec6f832c6a39
12. 0xb00e96c1959797c0f4faa7b266272104cb75796f4183ee750287f4715a3a2f61
13. 0xbf9393b97ca2335be943ed563f5d77fcdc4813b1296ed0cc3aec68ee0aa5cc6e
14. 0xcaf06dbfb2f12c2a80c73f9c40167cc24cdd0eb0e4c7e7f4209b5e25220f94a5
15. 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345