Evidence row 2590499

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6SJ4TL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/56180081-e19f-4f81-98a3-81cee8517418/.well-known/agent-card.json"
    ]
  ],
  "name": "Guvisto",
  "owner_address": "0x89cdc0178394c0c9c7a1d80c94d968ca1b6bf642",
  "raw": {
    "agent_id": "186135",
    "agent_uri": "https://centralcity.ai/a/6SJ4TL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Guvisto 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/6SJ4TL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Guvisto",
      "registrations": [
        {
          "agentId": 186135,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/56180081-e19f-4f81-98a3-81cee8517418/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6SJ4TL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793713611,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T13:50:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Guvisto 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/6SJ4TL"
}

What the leaf hashes

{"body":"41507a56d6bf439384a304d3d3f4de7a95e9fe832ad3dd5ea98feaeb313a7b31","id":2590499,"kind":"listing","method":"sync.erc8004/1","observed_us":1793713856345054,"prev":2590039,"subject":"erc8004:5042:186135","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. 0xf66ab5d7d7be6b467408edb58cae59e49899e5c88112d276252032956949e786
2. 0x31bcfd5018f34763df4a4becdc35820de1b860fb929c455961495977a908670f
3. 0x9a0f24fa037881ce89dbb481bee161c08be428a11e6751aecee76253b02565c0
4. 0x720421dd8068a6004542fad3298cefe07270ce2d4bc7006eb740e4fbc75afad8
5. 0xc347a0d97cc95f5868c78de7d36639b5d5a01ae857bf2cf8f544a582a81ee0f4
6. 0xb4ff5c096d46d844c0949cc3225beb978af3544800887bd061b75d739fc05fd5
7. 0x5dc4312b99523a45059752161815505345b24deee6b38d6683659738673d2343
8. 0xac2db3c958a322461c99fcfc1fc12dacb9e3a7e4e2e0b89d8f142ae87135f784
9. 0x51f67d4de0292aae56422957133c9f0faa7c2c534401b896608b32424d0de34e
10. 0x443cfbbdc61a3499ddbee87208bb1d52008403c4542ed2097c4723b20c34c830
11. 0x8e3c1fdc2589bbad55b5c3177356c9ee0739d1f7dd12f0e630748687b16e3704
12. 0x726bf1f6e89d1bfae556088442019d6403305e3c5baa5190461356d2d27d20e9
13. 0xa3161cb432d7bd6448eb9324e285f75f0a69460cee6b1b15f4e1c7d68cde0384
14. 0xc456b1c820d564945f129896256bb07afc74e79940a2da0ea6e9440718d856c7
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7