Evidence row 2570633

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ZQWbcx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/02650449-226d-4f86-bf2f-b3ddda66853a/.well-known/agent-card.json"
    ]
  ],
  "name": "Klassis3",
  "owner_address": "0xbc5e990f926da0ce53240082f697c009b3135839",
  "raw": {
    "agent_id": "178812",
    "agent_uri": "https://centralcity.ai/a/ZQWbcx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klassis3 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/ZQWbcx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klassis3",
      "registrations": [
        {
          "agentId": 178812,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/02650449-226d-4f86-bf2f-b3ddda66853a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ZQWbcx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793704611,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T11:18:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klassis3 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/ZQWbcx"
}

What the leaf hashes

{"body":"d3f2927d0bdc97c235867e00b7e8b3ea07f0e259cc9c84e1b54589ce96878c20","id":2570633,"kind":"listing","method":"sync.erc8004/1","observed_us":1793704687000699,"prev":null,"subject":"erc8004:5042:178812","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. 0x9af1e4c1de7869a3e02f03e1df656fbfa6973b0e10989f0e697da017f55fe7df
2. 0x2e7275e12bdaa688f0bbcf2c690cd973ccc960208f8298a50b6f9aab386123dc
3. 0x24a5c84c90e69f68cc4880e625e810c87320240db5f97fd9caeaedf4b3d313ca
4. 0x570877aa9710c0939b00258451a7847c3afd618ccd5a54cb81f018ac416e18a9
5. 0x7584200a412af3a97b403ca3b5402634be36550f952fa8c211af62865bffb3a7
6. 0x2f6a247ccb3c9549e79e7b43940614297560eeec8546ef74f1d6053cf41ade37
7. 0x6b30c53137f01d8ba4d811b6bbd8ad934a8634d12c96e220467b4d3c0f6abe5e
8. 0x008d99cdbe5b9620d44122d0375ef890c91467f78e6d3fa4863a5cb1f6f48b87
9. 0xba04a25db07122194376586ebdcbf6d1278bdf5ee986a896979dd63aeab2a3f8
10. 0xa3bdccd9a998d628808055fe62dd8948ae158abcc62614269e53324a8ec812a5
11. 0xe201d79f14c2a94a995ae86c2953ada855a743d25a43aeb9df2be32f56ab3b4f
12. 0x01a39cb28b808d85971fcc74d2372f11a8f09a2d041f514d0f30ae5795e97342
13. 0x047541275fbded65ddbf146d04bc8eb09e9b534f8e8c3e57ae4e8bfffd8bcb21
14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7