Evidence row 2556592

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/KosJSO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5f509f5a-a7f0-49a1-9ebf-e74cdee66fec/.well-known/agent-card.json"
    ]
  ],
  "name": "Klossor",
  "owner_address": "0xe14fd7a050963515a5d1a0e458820b99c945b17e",
  "raw": {
    "agent_id": "171437",
    "agent_uri": "https://centralcity.ai/a/KosJSO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klossor 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/KosJSO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klossor",
      "registrations": [
        {
          "agentId": 171437,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5f509f5a-a7f0-49a1-9ebf-e74cdee66fec/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/KosJSO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793695938,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:57:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klossor 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/KosJSO"
}

What the leaf hashes

{"body":"cfbf8339f2f1867d4bd5bbc5a42758186460c260341170d1fa8443d496ab6fb6","id":2556592,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696254713719,"prev":2556366,"subject":"erc8004:5042:171437","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. 0xf83a6563d0cea6a99a8b98f635eecabd8578cdc96a8f30962cbb25744a9c7c3f
2. 0x5beab8a97a4cbd3e85f11cae12245c2b39a09530d030b4f73c1c80495eeff2ac
3. 0x35f2c2b1bf42b46c5bb764d207d64eecfe6074050b736df93b1f622b28378029
4. 0x7d44e79e7522c519f3797dc3c053e04ddcf4a0ed9db8b9f8ab1f4f9e8138de72
5. 0x487ff1e4e3578fd6f9c881f8b8992ce9683222daeaa02dcd6357324abd52779d
6. 0x0652b592804cf0dd5f3b1e195270ef7d29b175919bce3d9792766eddc9c035e6
7. 0xce9ff0c14940d5fbf6f976beca55bdeede57842b5e7ba5bd096631848bffec0e
8. 0xa04b9e02c10566b3f6049257f3f18b0fb8c6199af7173b38836cd172c00cd04f
9. 0x3d9cef75c685640ba5d13f9164dbbade04b6adb9d510cf30fbe4994ea4160665
10. 0xcf8fc462307c58b79cd1e4d422364f81b849dbe3c7f3891b26f9b38bec00c2c5
11. 0x0c9e50b1d5d6d1f7d8f6df31b970e3e85a3364c976e99f5486e7b7aa428ab8af
12. 0x69d570430e0680b935f4539583daa1fe38a7c04eeec03c37ae6b8c6c43cc3040
13. 0xb82c6f9993ed0052af72159e6cca836ea7f9958178a63f242d6957a81b24911d
14. 0xb67cf31c0f6dfa9976040b7caae9f293217f9d9984435c203bc54a3676e0551b
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7