Evidence row 2550962

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/CEN840"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f2720426-dacb-4307-8881-4e9fa213f7a3/.well-known/agent-card.json"
    ]
  ],
  "name": "Karlabel",
  "owner_address": "0xc673fc1953394c2ca82d0d1a556ab87ad1849bb2",
  "raw": {
    "agent_id": "168553",
    "agent_uri": "https://centralcity.ai/a/CEN840",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Karlabel 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/CEN840",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Karlabel",
      "registrations": [
        {
          "agentId": 168553,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f2720426-dacb-4307-8881-4e9fa213f7a3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/CEN840",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793692563,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:01:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Karlabel 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/CEN840"
}

What the leaf hashes

{"body":"168eba722a2794fce53aea617869c817086021c664550033c732364f202579a1","id":2550962,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692871512808,"prev":null,"subject":"erc8004:5042:168553","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. 0x342b5544457c39d2f6edc4c1d83992abd9f64f182457ba9dd41064079b8ebc67
2. 0xd8ad72a44ccf6211e36a25444db8f1cd46f29746945c9f7f178eaa3075318059
3. 0xadfe841c942d15e5c61deab6ab74502f1bc1b29126e890992db5497c711922d5
4. 0x9e559fe0e16ac6c003cd928056a02fa3dc4d81da5c32079260b01eb0fac2e4e9
5. 0x512d2d8301e4bbfd4523676f68f21b42de942082d262551d1d8dc7cd206b0a53
6. 0xecc591557673c21d09b493ffb58f1425d5370f890b4cf32413432518db431199
7. 0x4009f718f606484aacc02bcf0fb8ebbcca4fb4fc01e234c86399a5cf0f1e75ed
8. 0x614495d51adf219060cb0fbe930ff12a689cd4f4ba58ae20c5aebaed26459a2a
9. 0xc7d3eff303a691410ff18980632a51856758164435f210ad263fa476c0534a0b
10. 0x49f25cd5cf2deea258bc0c8411cdbd7457371dd174c887bfb9a2f9bf066b0c23
11. 0xbe5357f9cf2063fcaba76741ac98b6cc09b746a0e2aff0d2a2c40a27406ccf12
12. 0xcfd9446c90f7bb6597850caf8f11253e5ca7e0cdd95d04137a924f1c4ecddcfc
13. 0x013a4e21b3841f82a4251c6d3dbec726e8806f20823e735f7a5fb54b861e55a6
14. 0xe2bf4675db929800e127e8a752f51484d14d8f7a9d806273bdc68a1dfd125e44
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7