Evidence row 2599223

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/o16Xx0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/eac252f1-d09e-4bb0-afdb-26e4164327a3/.well-known/agent-card.json"
    ]
  ],
  "name": "Briandus",
  "owner_address": "0x3d13f8519dbab43a3eb1049c0bcb690e0b044741",
  "raw": {
    "agent_id": "189367",
    "agent_uri": "https://centralcity.ai/a/o16Xx0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briandus 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/o16Xx0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briandus",
      "registrations": [
        {
          "agentId": 189367,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/eac252f1-d09e-4bb0-afdb-26e4164327a3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/o16Xx0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793717511,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T14:52:41Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briandus 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/o16Xx0"
}

What the leaf hashes

{"body":"a1aa237aa33833193d3b30430db3505b8e9fc8c388e7cf44f5494b89a7b921cd","id":2599223,"kind":"listing","method":"sync.erc8004/1","observed_us":1793717561697097,"prev":null,"subject":"erc8004:5042:189367","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. 0x1cee9d7a228938c7601983fdfb4b546216bea4da35433d047e678c1e1bbe8e24
2. 0x885893b25356e287597e4af18ec44db817f7390cbb4abadfc875858d9a3747f7
3. 0xf54d6652a5316b913523eba832d606a1fcacc4c2a50b1b86c475b0d140122a2a
4. 0x38a82d88e03d3d5c34d6928d2e293ba6b803c026c3212c36fc5c4d91be8de221
5. 0xb04d237dd8f0d6e99b3664492054249e41de2946deddf0d862bc465d1ed9db4b
6. 0xe6d66d135f1d72de7a53235dace33942f863122c86fb70de11290e82e8280f4f
7. 0xde4ee04b7b6a5b96bed82700046de73bd7fbe7bb10f6d36263526106e6002c5e
8. 0x0672f3347b51b98aa6848a914960de84e62e0f279f6f608b040c58e7585a88ac
9. 0x94c5517cce6653671a0ccace9947bf5c025cc505bef95350f527f9998e508f25
10. 0xd94c107c3870f88b7d91494683f70580c76ea30f204b77b0d57e2f50e1a46c7f
11. 0x9c2defa322e59f00a61b9ec7448f92810ca9d193d2338ece12a5d1e615abe907
12. 0x1554e3bea31760b4ffaf14fb411d2319262f4fcef278efd42b812abad2b6ac39
13. 0xa865c151caf5b808863a56eafe459ed6980ba5c059246ed92e8d9688c9ef7fe7
14. 0xa1b9921bde76812f1ccbe5230e9921311a3aeab7f9d6861066c6dd5b532d126e
15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7