Evidence row 2554494

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mTS1x8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ba6f71aa-1657-4662-a2f7-50b6c9a8a081/.well-known/agent-card.json"
    ]
  ],
  "name": "Kason",
  "owner_address": "0xcefd5c72a5f566ec6d32d52f56a394d31478af86",
  "raw": {
    "agent_id": "170248",
    "agent_uri": "https://centralcity.ai/a/mTS1x8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kason 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/mTS1x8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kason",
      "registrations": [
        {
          "agentId": 170248,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ba6f71aa-1657-4662-a2f7-50b6c9a8a081/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mTS1x8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793694630,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:34:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kason 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/mTS1x8"
}

What the leaf hashes

{"body":"7d007a050ee75c753ce781375da34dd849fd9f21085793cd20089b73f0aef98c","id":2554494,"kind":"listing","method":"sync.erc8004/1","observed_us":1793694878378437,"prev":null,"subject":"erc8004:5042:170248","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. 0x01a45c543002b806a215fb31ce42756b65bdbb849e5129b5cd7e2b6ec9f87927
2. 0x465e4c4df8313f9dd547c199956bd6b8a3471e9004e3448b26764a9ca59e030d
3. 0x288b422c62ddcd81167b5c4877349d69ada78826550903eea37bc177708f9bbe
4. 0xd75f6a41f3baa89e76f7c838d052c42879d18ec87d25b4e4e85e4b9151409f3d
5. 0x91b3e5bdb4cdfb6975f05e00a22d9d1d1c864bd2a2759bebee69573e14d7df66
6. 0x51cdb7425a05972fd76405b135630df61fbb123f86bf60cdcd65d0c1702e58f8
7. 0x42f16e4e1fe0bba86aed501794faffa87db848f89e19e8fbaea622c8e516bc9f
8. 0x70597cf2fd6e58ed900cdfce182e680b4fcb531eb693a64af50a453a40ba8ab2
9. 0x287b7cd9d83ce9ff5692d6642cb320aadc1f192052cfdfb5675d5bd4cbc1e981
10. 0x40fa82b3213a5d715b46fe16ab8f0baf657e035b99e17e5ccefb3cf30243ba8b
11. 0x4950e8be5f3eba2d85f3b4505cd0022d35e9182e4b63f4ce2c4277ebefe78750
12. 0x15ff5e6ed8c9e735370c1a74ac65079dfea1c8d48a29642a568ede63eca40a11
13. 0x50c3ccb9a988bdd7634544be1fbdd1b3bb920b22bba931f12522f80ed5cb4784
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7