Evidence row 2730142

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gxynuD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b7ad1c22-b8c4-4bff-8f1a-900598312741/.well-known/agent-card.json"
    ]
  ],
  "name": "Studino",
  "owner_address": "0x1e8fdac50d0c076ee2870e7402ec639987e39233",
  "raw": {
    "agent_id": "212744",
    "agent_uri": "https://centralcity.ai/a/gxynuD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Studino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/gxynuD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Studino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b7ad1c22-b8c4-4bff-8f1a-900598312741/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gxynuD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:53:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Studino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/gxynuD"
}

What the leaf hashes

{"body":"30b5ee5e07dfc200afac93b46fcfe552258d11c76e1f4b7497d7fba47d640068","id":2730142,"kind":"listing","method":"sync.erc8004/1","observed_us":1793750011042408,"prev":null,"subject":"erc8004:5042:212744","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. 0x7048a17c3a4985d726600116fc8d234ea4789936216faead1dd365333d3c9434
2. 0x8010127db0721c100d6f68f649fe9a43797ae1c444f3911a24a756233a6b2a56
3. 0x6245058fe7c38b1b95212fda5beb771448f7106af3e92669d583938529258759
4. 0x47a8fbedb323e563cefe8de441600ad8a16573499871229c50ec14854c4997fe
5. 0x2b77d48b88aa048af03034e4c7b5ddb35e82c7776502ebdae0da1fe2aba501f4
6. 0x07c975bbad9637f91ba52d4b6f4f6eb16ae8f58f377f141f0ba51e8e42f76295
7. 0x26b6ce91e3bef4325d4803be2ee0c977bb98c3b5f2d4ea001c71ecd9a53a7ecf
8. 0xaab1923e45e8440502d5fcb2ff4e7864d6b0820bcfe58f2c1d923cf75b7c4400
9. 0xd12fd3a13697ef2439526b8cb0d84b8cef248a003cd524ad3045aed8917180e6
10. 0x7758fdd156d5159a258d32c1f8c34611ad4bb5fa3b659c6654ba5d29874724e8
11. 0x6447860abae3ca72ecae6f1eef7284ccbdeb9cc0fe1ee1b43da0bd6b6601e670
12. 0xd158254fcdaa95ccbaf14144de89ab8debe2933ac80302db66f86c11b8fd05f2
13. 0x4bf0adb364edb7777d14e3572ee8c3a6a545f52d73a2263594eef12ba37918bc
14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7