Evidence row 2611547

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YFtlZB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/edf004a7-4ca6-4474-86d0-cd79fb6ce898/.well-known/agent-card.json"
    ]
  ],
  "name": "Nostumeon",
  "owner_address": "0xb7a7853681d1adede8c304cedac5b9c433740281",
  "raw": {
    "agent_id": "193779",
    "agent_uri": "https://centralcity.ai/a/YFtlZB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nostumeon 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/YFtlZB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nostumeon",
      "registrations": [
        {
          "agentId": 193779,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/edf004a7-4ca6-4474-86d0-cd79fb6ce898/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YFtlZB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793723166,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T16:27:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nostumeon 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/YFtlZB"
}

What the leaf hashes

{"body":"818a8880ca6c725b384e2fb8bae5765349c0710766e7258abfc562da241382a6","id":2611547,"kind":"listing","method":"sync.erc8004/1","observed_us":1793723278544195,"prev":null,"subject":"erc8004:5042:193779","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. 0xe256c60fe148ba3a08a18decc3cfce01b808c1dae0bc088c62a3ec1a03a4a4ec
2. 0xf8822dc8a29c5753145f8f5b90abca16a74d0953bc72b665627046afd850ef10
3. 0x6f6a194ade8a11f0a16a313ee5f4752160ef5242a9138641e7047f91aad4767f
4. 0x7a07c4f62053dc20b644e67889ecff831d598ecb4d93365971e30d77e7a93b13
5. 0xe0b49132e38ef064e591d1b89e613739d6267f19370d3368e3de92cdba5c2c8f
6. 0x14face84d3027eb88e3a7988c3aa483b4e2abc66476e1d087fd71d7ed43bf866
7. 0x14f833b881f3848a9afa68bee625c19e4cef28e4b8a6bdd3d2c7bfb6e0609e5c
8. 0x969aa168dd05c32ee33384fd1204eef8aeee81553c6c8afae9afa68f20064efb
9. 0xe07b58b2683be5aa948bd38a8adf81947957c3ce318f02cff5a11343edf92492
10. 0x12c1bbc7f72156a39b0694187e7086f9a24edcc791f3c7417a815b2d923eaaad
11. 0x5494c446a5a3aa10b145c79e633ec01125b8cec69d46e34bfd29b76c41288725
12. 0xc971d36ebf71dfd71e121a858cecbb4888f890eba0d5d5244be7b699fc072974
13. 0x2bacb7a3207deb74c13a1bdaa0fbb22b2ae9ba7754f80426bad8f93bff67d978
14. 0xf325d91f08ffb7f78519bd5f04dd572a693eaed62aa76d674f6e757bd5f0f276
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7