Evidence row 2542252

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/D8hdd7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fb1809ab-db78-4432-8e95-98b664e79b01/.well-known/agent-card.json"
    ]
  ],
  "name": "Derik90",
  "owner_address": "0x888cb895d306821c61a767cbc6d5836b198158f9",
  "raw": {
    "agent_id": "164173",
    "agent_uri": "https://centralcity.ai/a/D8hdd7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Derik90 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/D8hdd7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Derik90",
      "registrations": [
        {
          "agentId": 164173,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fb1809ab-db78-4432-8e95-98b664e79b01/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/D8hdd7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793687930,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:40:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Derik90 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/D8hdd7"
}

What the leaf hashes

{"body":"d17128b3770c9320f981565627d145663d4b9ab5278ea3b9b360fb7b9a6db787","id":2542252,"kind":"listing","method":"sync.erc8004/1","observed_us":1793688015897583,"prev":2541776,"subject":"erc8004:5042:164173","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. 0x8ea8209122b4e9a9d5638c9376a67b20359e966d778a8c8b1d2cc98aee8bf2cb
2. 0x7a73b50d935bd12c74e6089297757887358b978369832635a5de7b0e2ea3803f
3. 0xd7f0b2da3661f5f59d92140c51a0fd7bc6851d86aea30d44c93563e76ed2b91d
4. 0x6fa78eaa1f1843221c2ecaa43fb6a9ca727466832c616e81bb68c84a192ba127
5. 0x4211713d5595b5867aff7bc23fef2b9ffe9cbeb5e2cae704d6ed0216703117d1
6. 0xc6a3f14b8265583f9174e1088c3f6e0364b30ca0a195ccf21fb16596971a1a8e
7. 0xa4968bfd66f6209f8d5ff352889404ded0b30da094ec62d984c984286324bc74
8. 0xad709446f1feafc0035c61f93ac198b36df8258e110ee0d75cb07af1e577c44f
9. 0xb0119478a27bbfcd3e4e081029fa69a78da11c83d09e5e6c7c6cd2968968bd07
10. 0xf95f8a49a24d59646abf5895c2bd0475f564ed443da53ce6577331c8a9fedad0
11. 0xac61aa9b357ea486c9b10ac45bc240e44de8d13bcadb237f5deedd7541e57f85
12. 0xefdf9a63381dfbf88bbf5aedad64a45b8e750987bbfeda1f46f63d843aa96109
13. 0x011a0e3ddc4ed33bcbefeaa3948dc632c682c298b43d1309b73fbfab20b67e71
14. 0xaff11aa970c81dfc542d7f358866d8f7815e0e193eb66f9d52b94183bf812c8d
15. 0xb5ab3a67e92dbd6d8eb3ea95dd8fba5b750735344b87d689cb50ea92ccaeea56
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7