Evidence row 2559212

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YFAYX4"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e0c43b5a-7111-4ead-b6e3-e772296a32e5/.well-known/agent-card.json"
    ]
  ],
  "name": "Biansisto",
  "owner_address": "0x3a90f719cd8a9e4d87e3efb8169138f916f6e79b",
  "raw": {
    "agent_id": "172764",
    "agent_uri": "https://centralcity.ai/a/YFAYX4",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biansisto 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/YFAYX4",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biansisto",
      "registrations": [
        {
          "agentId": 172764,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e0c43b5a-7111-4ead-b6e3-e772296a32e5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YFAYX4",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793697712,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:25:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biansisto 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/YFAYX4"
}

What the leaf hashes

{"body":"e2df7ea09fa6ff2ca0998a8790dd3046dbabaf476a641fc895829f630df1547d","id":2559212,"kind":"listing","method":"sync.erc8004/1","observed_us":1793697946336911,"prev":2558876,"subject":"erc8004:5042:172764","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. 0x63980989bdf53e7b2797e70a394cecf1eb46670d7f2a85d3e9e92565eb65939a
2. 0xa9dac104b136efef8f94040f838d9181f52db763d1ec313a70c5764ae857e069
3. 0x678cb87cb8c0d735ba5887289a193956a8f881d052f9c5f2a13fe76954fbdf39
4. 0x291cd1250c2f27a01b908d58580677f8b0c1bbaa1f523fa2d1ad465d08b94920
5. 0xa29b498568ecdb789728052d7190c9184cfc1aa9b6710595bda2f5cc88aae833
6. 0xa2e6406d96588642d229c22563dd3e5aab8e51b4a37a7c3a72ad7e6b94a2c931
7. 0x1abdff2526468cad23a39d03cf1bed26ade8a7e9aa1defe99f11acb75a3caa36
8. 0x593873f5212eb0432caa0a8f07dcf303a8b469d1cb753dc2f5a3814ef9dc617a
9. 0xcb4d40e3243cb4f32433d3dd5c20174d22f1c9a77715a42211fac51921b800c8
10. 0x3f6de6d414151c48ce92361b7b43aa4825303798412bf823b8e2b88d26606951
11. 0x8f769f6377ab742859f9b30634229afcd44145028fd50f6519b85c3bdc094c18
12. 0x9e1a291abc134f2f4b03ec8cdf7eb3a9ec9b04abd42813940f072904597540f8
13. 0x935aada10f117485a9e2b905a05d3c89c0ea4c0d9218f126f2818246c6d7a5f8
14. 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7