addrbookFor publishers
← The evidence ledger

Evidence row 2712723

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:204498
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3dfd6c0ebcb05bd13aed2ebdd075723ee32da6d0dab8f3b5cc63db21d1e82efd
Leaf
0x6cbaf976ffc60028513f8eba91344938bcbef38be5439f7bebde14c92ace83d0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0s4wyu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aacfb434-62c8-442c-a18d-e6d1c01ba84f/.well-known/agent-card.json"
    ]
  ],
  "name": "Alemjo",
  "owner_address": "0xd850f4f78863313d17602e21fe315411c0e3b5dc",
  "raw": {
    "agent_id": "204498",
    "agent_uri": "https://centralcity.ai/a/0s4wyu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Alemjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/0s4wyu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Alemjo",
      "registrations": [
        {
          "agentId": 204498,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aacfb434-62c8-442c-a18d-e6d1c01ba84f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0s4wyu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793739352,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:59:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Alemjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/0s4wyu"
}

What the leaf hashes

{"body":"3dfd6c0ebcb05bd13aed2ebdd075723ee32da6d0dab8f3b5cc63db21d1e82efd","id":2712723,"kind":"listing","method":"sync.erc8004/1","observed_us":1793739561756158,"prev":null,"subject":"erc8004:5042:204498","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. 0x6cbb199619d769731f27ffefe2eb10ffe34c4d4d884f9bf37a50d12a811e41ef
  2. 0xad148cb961caf848f0e329e25ee40d6887373a33161b06074d11570db7c27b00
  3. 0xb018f72787083da41c535784a8740317129434945a8b41229e9436c834abde12
  4. 0x9f550f4e4b4891ea4e06e6211cb577571cc961cd6e6289131a69bc8ce0458612
  5. 0xbe944c87fc08228e3c50add7a75a202c8c5ea96dfe73234f8b19dba6a9477bc5
  6. 0x1f3a56a66a7c637d3a4cbffa90ca4f8ae23635218fe48b55d96c597237ca37f5
  7. 0xef9bc437601ad6bdd03ede6feb08ffd1b4a69d7b63c0ad09fb7fc6dd4747755a
  8. 0x460752026d1e605dc0f9ad8ff2ddcec629cfdd2b17c91fb213b16ccbb265d7f6
  9. 0x9d33f63c66805f0af331a3e9cbb4b5abcfa597826b24aed5e63a6440c1e26d57
  10. 0x5340f8ba447d75445c0e4f435cb30e45f2157ba36ec7bf8a3187f0c684699f6d
  11. 0x2113a90ae6fa877a444b227f5a814679ca903c101465168f45d607846c156266
  12. 0x214589e605ddfb0bb125e3baa9566898e2fb8cf79aaf7e4a640daab3b300cdac
  13. 0x17ed3001ba4262f9a9bdbf52bec0dd3e265936a67c3b494e499acd7556b945ed
  14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
  15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
  16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON