Evidence row 2538909

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5T8YYL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cc4f6f6d-9eb9-46ac-be50-21772415f071/.well-known/agent-card.json"
    ]
  ],
  "name": "Brioba",
  "owner_address": "0x3654c7fdc6fb5ada436a0803489d155600ab0e43",
  "raw": {
    "agent_id": "162921",
    "agent_uri": "https://centralcity.ai/a/5T8YYL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brioba 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/5T8YYL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brioba",
      "registrations": [
        {
          "agentId": 162921,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cc4f6f6d-9eb9-46ac-be50-21772415f071/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5T8YYL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793686414,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:18:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brioba 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/5T8YYL"
}

What the leaf hashes

{"body":"2ca8ba36fdc759e1a5b5827a786c28ccd43c4582330c7f4ff38fa977f96c67c4","id":2538909,"kind":"listing","method":"sync.erc8004/1","observed_us":1793686686654744,"prev":2538416,"subject":"erc8004:5042:162921","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. 0xe1880eef17c5a551eeb23711cf4e644e2121eb9db83d99de5c3e395b61fc33eb
2. 0xbbccfa366470b476276cb2570087b033564c1ecc139978c9163d6eb7b624698e
3. 0x37b8a53a3b813d070672e8a98de8e664db902d42a3b69e59395ca392071cae76
4. 0x9402d9967442fa17cb68776c9fbad5b1f5a28ff465cbd73eb4e8c60841739691
5. 0x6e8e16c46c2d9080423bc4c482bef57c4ccb33a9c2f7646a303d8e5804d6b85b
6. 0x1fde8a9860c6cd7dd8b7e7af2ea1f763041d55138fa04181c0a56eea4b9c4ee4
7. 0x46e320d0e5b1ad7c3f0dbdee479ce8f6b628264d80209e0450fd6093a82a00ab
8. 0x5ba9b865d536fafb12e1c5e75f9d7a952d95621d2140da6129a25129e60a4a7a
9. 0xbafd14d1306be3d15caeadff8b7dbd7b2c33de87d4b838b910f3e2d7b47a0a2a
10. 0xe8480a7e1ae29a7ba80ae6c9058b05b4a3a412c9870715b28c92024a431cd098
11. 0x58bac7905b84c90ccbf4c56af6722312111249d1e0a1eb43db85338589ee59a6
12. 0x6346c1777e904ed944eacde864d96612cc0d9cb02af78a2d84e3e67e6157f5d3
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