Evidence row 2557575

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9qfDGd"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ca748cd2-3b15-4dc8-8802-e1bcd215f098/.well-known/agent-card.json"
    ]
  ],
  "name": "Zumpika",
  "owner_address": "0xb850a6a0b7b799775c48e7b7962e9e26f2ff8a5f",
  "raw": {
    "agent_id": "171916",
    "agent_uri": "https://centralcity.ai/a/9qfDGd",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zumpika 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/9qfDGd",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zumpika",
      "registrations": [
        {
          "agentId": 171916,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ca748cd2-3b15-4dc8-8802-e1bcd215f098/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9qfDGd",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696691,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:08:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zumpika 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/9qfDGd"
}

What the leaf hashes

{"body":"58ec7dc9413c9bf57d3009a2ad06c3dcf04708f9b08e4c7c2a7155547f885a79","id":2557575,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696934486962,"prev":2557265,"subject":"erc8004:5042:171916","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. 0x6bb4423aa89efcd2c9926065be4d5022874ca6e1551daa6769e17ab5e462f060
2. 0x0250e24003c9fa1109c3993b6d4353a1010905451d4100f058b819837d480199
3. 0x8362f4465351403452414d15fd8abaf358fbe020f192d03c3df4377d6818a4f1
4. 0x9a9a990eb9c6d17c9e9994e03e0aa70bbd370c222c38413b2cd429e785c10d49
5. 0x4dc0c4ffb10ed14428347417f116b9aef81ca1c491a5f7308c3f8f5f4986662c
6. 0xcd4cd391317c92ba2b7cee6670734840c5936483d4e2eaae368f79c9fad82841
7. 0xf9bbb28d5c2d675b4504c43981237a96e07d29cfc7b7e00aadaca3e8b2dd48ed
8. 0x0f3986bf50cc0ce456eba834860d088c2a22bafa4c991d0fac0014a106513fcc
9. 0x6914fa91bac44d3859c2f690dbd2fc06e033d127b6dc104d789c28e34a156560
10. 0xbc2646c08fb20694ec703596bec9727d0e335260db02fccb692c996a24f13c48
11. 0x196a3853319464a1ae889ff0ac25c1d2ee60c3e5d9744019d77a94075ae28adc
12. 0xe0a0a050eba8ed59ecf62eed50f929e9a02dba08d0fcdad40ec2d29581f97391
13. 0x6232c1c8ae041600024efcd1bf1dec010d5da224b5788d182cf665d4f60da7a0
14. 0xb3db8b63788b8a266b4e7a4464683e6583189a54ea3ed27e3979d71ea98215f4
15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7