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Evidence row 2306590

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:143875
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
20a930973dd1f25485e9766671e72270389f3370a9591c91a7dbd7d793f49fae
Leaf
0x18c4f3ba9098f150fd25198b79fe70e13ceed213b85e7cf08805bf8dae00b10f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9kk3f8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d2f0884b-591d-46d0-883a-07cbdeda7297/.well-known/agent-card.json"
    ]
  ],
  "name": "Maampus",
  "owner_address": "0x821b7495ac46123fc665e48e302d429c02a61d83",
  "raw": {
    "agent_id": "143875",
    "agent_uri": "https://centralcity.ai/a/9kk3f8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maampus 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/9kk3f8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maampus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d2f0884b-591d-46d0-883a-07cbdeda7297/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9kk3f8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:08:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maampus 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/9kk3f8"
}

What the leaf hashes

{"body":"20a930973dd1f25485e9766671e72270389f3370a9591c91a7dbd7d793f49fae","id":2306590,"kind":"listing","method":"sync.erc8004/1","observed_us":1793664505827686,"prev":null,"subject":"erc8004:5042:143875","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. 0x18c4ed4daa488de38d19ff3de46b048f0341f554b39247f28751184e0a4e63d9
  2. 0x453649167825bc083c63ee0925740ff428db380eac2b7c5e93c18976be6a3f04
  3. 0xa544005acd95ae1441af679a7817ffb801692c56d95731171e5c5f4bbb9e74ea
  4. 0x3567f2d45bf9599601b0b38c3ae6168ea8796e33f346ddcce197aa6fddcb6dd5
  5. 0xb4fce0928a2ee0d7079ccc146cdc87434f4cf6200c6894afd0fbbd90ca8bd00a
  6. 0xf1c33a828ef6a6b335dff32fc7a52d61b3a95ca040e76cb1e79e4c4283271249
  7. 0x512eb26dc19923622b610c03bb201d6e4e4c56465711504943e920248a287e12
  8. 0xb7d73725505d5d1b513a279f4e87decb15cf561f06d73d0f5ab4737b6fe1b94a
  9. 0x1e0b1c873536319e2e1f6befe6e7318c829842dd28b33717eaac05649a7010d4
  10. 0xbb29962b40a870e2fe3c76be5d20b01b55f9ebb214ed2b669991afa7cd8f238d
  11. 0x026eebab8fd647249f276b592e7cf280361a29685ede56f3ce76ea8dc156e4eb
  12. 0x0afedfb5d94e21e502c5ea2f88ca41ada9eaa1d8dee6056c446b424b6e1fabd4
  13. 0x6393e3b006f758b9dc2efca97748e8b94b587bc90cac45f81eb08fb9398fed9a
  14. 0xa1b9921bde76812f1ccbe5230e9921311a3aeab7f9d6861066c6dd5b532d126e
  15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON