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Evidence row 2719894

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:207826
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
27003574c26f799aeced836186088ccfac7d2717bdeeacaf1b91b021f4e32322
Leaf
0x99da45b914b5cf09dde34f7dbdac47be944d855e795ca8d8e296a56fe0ead28b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2cNi6q"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b1768e7a-1e06-4a1d-bbc2-261b9ff0f528/.well-known/agent-card.json"
    ]
  ],
  "name": "Kobias",
  "owner_address": "0x612f8c421a20e55349cbd347822b869ef3c632f2",
  "raw": {
    "agent_id": "207826",
    "agent_uri": "https://centralcity.ai/a/2cNi6q",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kobias 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/2cNi6q",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kobias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b1768e7a-1e06-4a1d-bbc2-261b9ff0f528/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2cNi6q",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:12:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kobias 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/2cNi6q"
}

What the leaf hashes

{"body":"27003574c26f799aeced836186088ccfac7d2717bdeeacaf1b91b021f4e32322","id":2719894,"kind":"listing","method":"sync.erc8004/1","observed_us":1793743932231374,"prev":null,"subject":"erc8004:5042:207826","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x99da4f36c68fe4b3e180f1f5c19c93fff32a3ae9dcfafca5f18245422294ee51
  2. 0xc0a1cbb455f7c2691cb597f677d7bf1df5194835dd01f34219a897f1b5711860
  3. 0x0d6361da36a277958583523ac27efee4210f0dbbe2a404e74a6bd6540fe03c39
  4. 0x6631ae9216cf196b9df8d8b906709904ae8be334c887b6b352b5fe609295d860
  5. 0x82a89c0c5f13e962b9cf8a7af1fb5815425e924a8f3cbfa364db3d3e59d3151e
  6. 0x0c76cfbd14e462869382846055e4595385dda409ee4e1714ceff959e2d99c566
  7. 0x8eabee4dc33cd9109446dcb8ad83a38c49b9d5df721071d4946a6b6ba7b9fb47
  8. 0x57c2e3f098a16563413d21b15faeb047a01dc8ebe80126328b18e8bd8d14a120
  9. 0xa00eb13f8913217f6e5d288b6e5f5aa129d613758c86ddf96e5af6156e020f53
  10. 0x5be0998ac95007d3d0d1b0bec0127a16010c3fc4265492a8cecd3ec5f6a3e572
  11. 0x7213abc3b073b11e10ab782304691b87f942a9b7a8039cdf65b5779d776039c5
  12. 0xe96c3e9661ba818444523b64b69e1c93799e202d182e14e10495bf7bc6acf0d6
  13. 0x047541275fbded65ddbf146d04bc8eb09e9b534f8e8c3e57ae4e8bfffd8bcb21
  14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
  15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
  16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
  17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON