addrbookFor publishers
← The evidence ledger

Evidence row 2522560

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:157547
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1cdaf58dace5124ca518855247abb531330e9625fedaf33700cbabc83ae0077e
Leaf
0x41cb110387cff7d1dd4552617f38dd4bd48c44366d82ec9020923671cb3d8244

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/T9DE0f"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d62ee2cc-02ed-4c4b-be34-881318caf2c6/.well-known/agent-card.json"
    ]
  ],
  "name": "Kauster",
  "owner_address": "0x56e49b0069aff32c62d8aa38573db9f56d917e42",
  "raw": {
    "agent_id": "157547",
    "agent_uri": "https://centralcity.ai/a/T9DE0f",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kauster 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/T9DE0f",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kauster",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d62ee2cc-02ed-4c4b-be34-881318caf2c6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/T9DE0f",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:25:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kauster 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/T9DE0f"
}

What the leaf hashes

{"body":"1cdaf58dace5124ca518855247abb531330e9625fedaf33700cbabc83ae0077e","id":2522560,"kind":"listing","method":"sync.erc8004/1","observed_us":1793679924581764,"prev":null,"subject":"erc8004:5042:157547","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. 0x41cafebd7be34ea4439e974620497faf8b0c3be29eb4fa8c18daa20f6ae715f1
  2. 0xa4a152b0865cacd520a0803e452dc5f84cfcb30934ba36b271deceafe61fce7f
  3. 0xdccc65ca08a38f16e82ac223eb48e8563280ab16c27a92af4b19bdd791082488
  4. 0xf04585612e221e7a244f9b77c6fd0c3546c23795a809c20638ddc10b1746370c
  5. 0x69fa7ba2e65d24e381c7183eee53007f0e8be88e2952b1c34e7a47de9732960a
  6. 0xb99d35f75aae572bef873ae9d11a8e522c36bff65b88bd077c28e9e0b204a908
  7. 0x1605fe6d6eeed5613ab5dc5dd1436facb53924057d0a286821243981eed58754
  8. 0x34f7ee80bb881ca06b53d25c768786d961dc11a7c3667280dda5b7ba6c2e65c3
  9. 0x494599881d12480f091c376474ca5b86bfa587e0a33ffc140e3f9afe6e34caa1
  10. 0xe699811501b09f964e7ff8034199c63c098e65a81fac25f5d6336774e724c068
  11. 0xd2530b370690b7e0d48071c9829983811dcac68f8b473ef37257728c788dfd36
  12. 0x3e692194b9dd80558ecdd03d2ce10f169dcf449f24c7db4bb5eddfaf5dfa4954
  13. 0x6389fe0a64a454c99943bd099b6d3c7b9164c03f7e0cbe464480d5168f9f5740
  14. 0xb86edd36717aff076ef26c04db10a77f49a2dca8367fae52e69b19705922afab
  15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
  16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON