addrbookFor publishers
← The evidence ledger

Evidence row 2543197

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:164773
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
19dc2e81b1cb98b3e30b9f8fcc69d03b11fc1268a646039fbe113388b36d56c5
Leaf
0x4164d739928eea789b8ced155fc61d4df08fcad1518be0272f777a5495c025de

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/WmDCfw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/26741eaa-2cd0-4944-b52d-bd1cdaafffff/.well-known/agent-card.json"
    ]
  ],
  "name": "Maabias",
  "owner_address": "0xd8d6032e8e4af205d15dd658de3e28c647edca6f",
  "raw": {
    "agent_id": "164773",
    "agent_uri": "https://centralcity.ai/a/WmDCfw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maabias 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/WmDCfw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maabias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/26741eaa-2cd0-4944-b52d-bd1cdaafffff/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/WmDCfw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:46:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maabias 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/WmDCfw"
}

What the leaf hashes

{"body":"19dc2e81b1cb98b3e30b9f8fcc69d03b11fc1268a646039fbe113388b36d56c5","id":2543197,"kind":"listing","method":"sync.erc8004/1","observed_us":1793688362819847,"prev":null,"subject":"erc8004:5042:164773","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. 0x4164f8e10ce4eb9ed2720c6c26d42b14ab102cef816f58882656b5f52dd6af0c
  2. 0x05276ea372fa7bbd6242221e392b5895c1fbe95cf583127895e6c43178c18335
  3. 0x2b0b93401024e6ecef64bf605685203df4e7cd58fed0868ccbf164a8a354ffdf
  4. 0x74d31e9ab785fcd4435727b5e4037b0c89076ecd5b000e242eb36c6e2e86b220
  5. 0xe9016b5507d5b0a5c0c7088e3cc3617e7f39b477ec157d539501e562e919fb6d
  6. 0x0069b37e9849131baf9194ad49e7ca136c230428ffec552fa61b5e9a2032075b
  7. 0x1b65dc995d0d085ee0e0378e08e35e48d0d4b028233abaa3764c1bfbd108b052
  8. 0x00a4dabc4b8362538967aa19eb88b851f8301f0f396db29d172609afcc43fe9b
  9. 0x82ecd0ce180f3ed04fd1f3490cefab15ff769043ba0eb6c79e882922e6fc8b48
  10. 0x9ba5926020170c4ae6e6a008a3346d036885e8051420e8d9e98389e718c32edf
  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