Evidence row 2593417

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/H1gVZ9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4c86d641-7503-454f-835d-96d580be8118/.well-known/agent-card.json"
    ]
  ],
  "name": "Niozan",
  "owner_address": "0xb64d12f71835cac5ae8997a925219d6fe37ec1ac",
  "raw": {
    "agent_id": "186997",
    "agent_uri": "https://centralcity.ai/a/H1gVZ9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niozan 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/H1gVZ9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niozan",
      "registrations": [
        {
          "agentId": 186997,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4c86d641-7503-454f-835d-96d580be8118/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/H1gVZ9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793714990,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T14:13:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niozan 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/H1gVZ9"
}

What the leaf hashes

{"body":"432747e1b9afe7eb1b5ed9af56f4e0382979ccb430638604217e76313041b986","id":2593417,"kind":"listing","method":"sync.erc8004/1","observed_us":1793715197210730,"prev":2592350,"subject":"erc8004:5042:186997","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. 0x8ace9d04ba39326f3936ebce7c90def8da0de9bf3db7f3cbfa6b1d96d3b022ea
2. 0x33a70a7bcb89ea93ca12f901e13f19fd16181d943f5bd4257d1bf5b99903c1f9
3. 0x75caec2cd2cc71755f009a84feed7df4c6232052cad715f394f5a8275c7dcb45
4. 0x389adf4851decfbc0e7b11b6b5e53eec0fa813c907a7e775a72f78cdd5c56d13
5. 0x3c05facbea7afe7524ceb891180d4e7d184298b29f1441e70f522b0b21d42aaf
6. 0x60dec90838b3f60572ace51a68e0eb2d5e3efd40d8323c3c74db918f11260d3a
7. 0xda3a4244b191e7e1e3946e1fc5f2a0ad069f8389ce6eb3649840c697385ac94e
8. 0x15ffc3683ef79030b21f6f25e6661d7fbeed6e980506aaf0bd7add334594b2b3
9. 0xf3cad9dee2fa75413b66e35ef4800acc2bcc2901bf3f9b372ff59f3a0a303d8c
10. 0x070c67497035037b22f55bef90a3fcdd4d6ce4486c7c1480f373305d799e3632
11. 0x92da03693cac417815f76d4115a1fff02d5e0bf44f450c7bd1ed502ee0d3bdc2
12. 0xf51a26bc27b69ba268652dfc9623473716c51630ea730bf88ffb81a1575326e6
13. 0x05ef25f19a0f0e984b1511fd0bd89a082ccf01e7fe1dba1de7f08e7bab019d31
14. 0xaff11aa970c81dfc542d7f358866d8f7815e0e193eb66f9d52b94183bf812c8d
15. 0xb5ab3a67e92dbd6d8eb3ea95dd8fba5b750735344b87d689cb50ea92ccaeea56
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7