Evidence row 2552203

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/l7N460"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e2213d00-3ec0-4ce1-80a5-0a5dd310d9b4/.well-known/agent-card.json"
    ]
  ],
  "name": "Fossito",
  "owner_address": "0x831805115ac2325f3ea509f20cef09267de11054",
  "raw": {
    "agent_id": "169057",
    "agent_uri": "https://centralcity.ai/a/l7N460",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fossito 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/l7N460",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fossito",
      "registrations": [
        {
          "agentId": 169057,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e2213d00-3ec0-4ce1-80a5-0a5dd310d9b4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/l7N460",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793693246,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:12:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fossito 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/l7N460"
}

What the leaf hashes

{"body":"776dd2cb6c2e15f7be1ee92cc3521b0b74d068b62fb99fc7eb10287313e87fa9","id":2552203,"kind":"listing","method":"sync.erc8004/1","observed_us":1793693548281339,"prev":2551745,"subject":"erc8004:5042:169057","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. 0x6718ec5330aaff74a8b728b196ee202ca01a564a713bd8ef2dcf95b4755e3c0d
2. 0x0dc1cdb4bcf2f1dbac8a59b54caaec50501ef5af3bd61d05e3396d7e1973c842
3. 0xc5326a4fcc81f657c6d19d3d2e4e3626339906f5dd1f12208fba63de765f263b
4. 0x28c9d51d9bb76dec5d34169537a1c407da6c10d31d683252a1826c6b1ee480a2
5. 0x267fc1fb340422fd03a826a55fdb15b0c7efd91c8760b4fa40cee8b6e79d2196
6. 0x78d231a652a7d33ca666f2f4b761d809d022eae17057cc057c885f45d328e7d3
7. 0x9a217baf824efde835dd06b895ca85eae027cfbf5d5b41ae4e32140c4e12eb2e
8. 0xc9294a4f5e5723b1b79e199c9330fd4baf83d57164165a38448ecf5e07e1f5a7
9. 0xc9cebe810bb40f7d463154a964a34594c4f5436849738ab1a3193552464cc4d6
10. 0x2cd7a7cb579b48c3e90dcc8473ff6c06ed99c407ac241784680f463b277d001c
11. 0xeb0f0776ce3f396c7a2596f87f75ec78263359c65c88a33ccbaf52e06e96bb05
12. 0x1afcffac07889ff89c585e14a13281f7d2d378e1248a75f06d54029a2885d90c
13. 0x52c189e90e4b72108116f47d43eb5a8d0a5079c20090bfabc8c2e23ac7ec8019
14. 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7