addrbookFor publishers
← The evidence ledger

Evidence row 2562010

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:174512
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ff4826bbd2418540f5f4e6756546f5fefb410e043199e60f7be468fa494b4ca2
Leaf
0x82e6e528bf8c930ef15284fafcf71541f3f4b765a511daaec69f2ab7838d01eb

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3v8dkm"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e2281b13-85fa-4d7f-9667-ba8e6b3569c8/.well-known/agent-card.json"
    ]
  ],
  "name": "Miantert",
  "owner_address": "0xd5905a63381f1235cd6407de4b85a8965a096c81",
  "raw": {
    "agent_id": "174512",
    "agent_uri": "https://centralcity.ai/a/3v8dkm",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Miantert 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/3v8dkm",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Miantert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e2281b13-85fa-4d7f-9667-ba8e6b3569c8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3v8dkm",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:53:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Miantert 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/3v8dkm"
}

What the leaf hashes

{"body":"ff4826bbd2418540f5f4e6756546f5fefb410e043199e60f7be468fa494b4ca2","id":2562010,"kind":"listing","method":"sync.erc8004/1","observed_us":1793699633102217,"prev":null,"subject":"erc8004:5042:174512","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. 0x82e68b83a185248a83dc5ba0e00667eaddbebc234e184bca92ab2a3901fcd81f
  2. 0xd3657e31e2cbb5c7b150b25f7350c55385de915488abbb6c2235a69975bc38dd
  3. 0x86b60571d9c9dced2b08402a68e610a7d676c3ce0d1d3553ead5d5b7e3d32d6e
  4. 0x19f003f26303726c8f376af54e4efb9bcd0336f4493ca43cd1dd325cd10edf9b
  5. 0x042243fc00d4526937c6b6253fc7f2db48e82acfc79ae26098bb8288163c2cdc
  6. 0x30075a6e147045587ddcd5aff5ac53bc3f5ac41c9e2cf0cbf0b5c014e886711b
  7. 0x389711d837678f52bbc683875b469f595d8902832edd3b9971c47bb608f9ddd4
  8. 0x6e17972a1a5f6819927c5e902521fae5c76a4fce347b783643edac194a3b8c23
  9. 0x3f09bea488153d9f5a917c793875685c8d142e708f0ed8873b6e28bfd215b37a
  10. 0x285859d92805c9d1e6741cc44c9f729707d1b64a4dceea7c384a0b41e0445979
  11. 0x1f220fece15b15879a7e1ad5e8cb51abf7e8d63ba0106281b0cf3e240e1be460
  12. 0x309576acb6947379790a6ba6d95e16f9963844fa5ad432e6da539debb5405a03
  13. 0x4c1bb7805c28c99914212233f31f3f9b3d39ed6d0209166fbe8eb2e894fc9168
  14. 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
  15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
  16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
  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