Evidence row 2621250

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MVEpFv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b54d6b9f-0aad-4318-bc8f-532abd18ae5f/.well-known/agent-card.json"
    ]
  ],
  "name": "Klausseon",
  "owner_address": "0x9adf3d5a7b12546b879de4b500ec025d07011fcc",
  "raw": {
    "agent_id": "198297",
    "agent_uri": "https://centralcity.ai/a/MVEpFv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klausseon 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/MVEpFv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klausseon",
      "registrations": [
        {
          "agentId": 198297,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b54d6b9f-0aad-4318-bc8f-532abd18ae5f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MVEpFv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793729091,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:08:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klausseon 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/MVEpFv"
}

What the leaf hashes

{"body":"a6e462addaeef10315d3bbe01a0cd5de443bf76a3812ff780bb2849f57ed18bb","id":2621250,"kind":"listing","method":"sync.erc8004/1","observed_us":1793729309904223,"prev":null,"subject":"erc8004:5042:198297","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. 0x1abb53f192dfe5b96cf1df56f792d6ea8ff070f61ce6b724efd95b410206e39a
2. 0xa0d793418216245b90f0f414c44afd8184316fbb61c06517aea4bf76c9241a02
3. 0xb1e3fe70565a789b069a5edc5560255a2f17dab91204acac31f934b27e8c45bc
4. 0xc9d4dc6ff87dbbfd9489bb13fbe7950a6bde16c71e9bb02a5003693ca4a714f9
5. 0x0b62fe0d18f2c5e2cdf9f363fd08d6a7be0ef85f47056ee20a32da3aac5db278
6. 0x4a40d32c062ba3d0e498e976eba2705851fa42866f5f9adde228acac6c80ae58
7. 0x70002bb43f620f578e53b5ebd4711a8852a4a61d07d28c4314548272803603ab
8. 0xa98236da46d2b0a836e9421ef437edf1400ca1148ef94151fa32b7d4726feeaf
9. 0x017f7ebace3e3288c8caeda835b64c72ad8d51f572a208400c47a262adf554b6
10. 0x2a4138bbc4d3c4d319758e42b9b09e4eafd4de5907bd5a25d137db9b8ed5016e
11. 0x1f782a601b750faaa82b9e347e97759789b2425f15c899d0515be3f1cb7cc43b
12. 0xfbaf6a797c82410c1b23e4da79d34da2f9afcd35de9499dfdb99f8a8bf86cf9c
13. 0x6393e3b006f758b9dc2efca97748e8b94b587bc90cac45f81eb08fb9398fed9a
14. 0xa1b9921bde76812f1ccbe5230e9921311a3aeab7f9d6861066c6dd5b532d126e
15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7