Evidence row 2545137

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/o2biaF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/54d9f73a-8293-4761-a9d4-85490318a9d5/.well-known/agent-card.json"
    ]
  ],
  "name": "Nizel7",
  "owner_address": "0xa998a1a52604a301c416d1febe3270002a84e9fe",
  "raw": {
    "agent_id": "165650",
    "agent_uri": "https://centralcity.ai/a/o2biaF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nizel7 is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/o2biaF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nizel7",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/54d9f73a-8293-4761-a9d4-85490318a9d5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/o2biaF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:09:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nizel7 is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/o2biaF"
}

What the leaf hashes

{"body":"729bdc8375971517e76cb0005005d2408a2104918c8df35e716681f69636d5db","id":2545137,"kind":"listing","method":"sync.erc8004/1","observed_us":1793689742605258,"prev":2544786,"subject":"erc8004:5042:165650","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. 0x58f4e3a08927c8f41685da044f1a3d2cc9432c5c77ab064b72ae8c57d8c0c91b
2. 0xc75cb6e021690979f98d507151243d37fa3ec6c4a36eb9a2663317af1946b56c
3. 0x2827d572e117ba8bbd5e32a641b8c9648cac7ed32b58befe1846d18303e22250
4. 0xdd9667a6888ba93154f796c99b86db88f54319049b42f44e13e9eb852a2454f2
5. 0x2cdc28f4238dd2af220b183278f0e7ff3575a1202c2ba890e2662020317f6474
6. 0xfb2301f6db80df7655b257ed3906a61bd105243b733dfcd79c302d8fa4890992
7. 0x92c2c4708bfa5c28b828607eb3fcea2d9efbedf63db78759edd8403b62eee22c
8. 0x44b0a9bee43f8492a24e012386e517b4f53e1a93b18c88045670505e6f602a9e
9. 0xc76407769a16f271eef38b3a2fe768fd066531a306db32ff062367025b9961fe
10. 0x020084244f1a4ed68a444480afc85fe40ee845aca2d59eb5574743b8903b4f45
11. 0x996aa39bdd926a1c06d66e39024d7e21cc487b4ca8ad3cf0e870e0db2bdec612
12. 0xd8df9bad1fb9bc9f80b7d6c2721a69f96d6783dc5f116d66a74d9ba9112150f5
13. 0x387d6b3abb2bc238e53d54b976851224d55ee7b21751b608b1abad8177b78ed4
14. 0x1fc4191e8f35bfa53de7e0451b776edb79a6c6dcdf333b4de5afdb414a516e3f
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7