addrbookFor publishers
← The evidence ledger

Evidence row 2551575

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:168887
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
270d6b43da36c412af5bfa3def2771f5a52ac104189588576d861decb82bcb34
Leaf
0xd0ecd1bf6a6adf50412b8fb8cb749bed6f5501dbac0ad6ed90b5f1c7fc937e30

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/w6elrA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5c9b7f62-b7b2-47a1-bd77-042ce0e207c7/.well-known/agent-card.json"
    ]
  ],
  "name": "Vaudan",
  "owner_address": "0x5bcd4a40e3b80c7d123aa1c645ce41c427bf07e3",
  "raw": {
    "agent_id": "168887",
    "agent_uri": "https://centralcity.ai/a/w6elrA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vaudan 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/w6elrA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vaudan",
      "registrations": [
        {
          "agentId": 168887,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5c9b7f62-b7b2-47a1-bd77-042ce0e207c7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/w6elrA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793693152,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:06:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vaudan 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/w6elrA"
}

What the leaf hashes

{"body":"270d6b43da36c412af5bfa3def2771f5a52ac104189588576d861decb82bcb34","id":2551575,"kind":"listing","method":"sync.erc8004/1","observed_us":1793693208870032,"prev":null,"subject":"erc8004:5042:168887","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. 0xd0ece82beb088e35f5dadab920dd9fd018bcc24604b5860857ef97d591657ee5
  2. 0xd581c200645ea0090a9a031ddfe2cfa923b2ca4073efcdd29ee21b91011090cc
  3. 0x7500b8a97253db58095ce969dce787ff0f0ba557c35b1b5040665e6b337aac63
  4. 0x90a5067861a98866fd8b92d8e6187dbed77346c0c58fc6c4aae1b1726bb5fcb1
  5. 0xacfedfe743c51bf3f97886938d5f875bb7a9c2923f8a9ebadb6475f0f0c3ec86
  6. 0x53498e4817ab5505b4ac930d50eceeeb7f7878856630386896b64225675287bd
  7. 0x820039d2e48e662d15bc81d3ebd2e829d7002adb700b364e68121aeadb031477
  8. 0x8065598e3f9d9b255124815e01daa72fa9930d5618c13421c469e3d9ae8240a2
  9. 0x25cf66be7d58486e42244d278b835596f358c9eec69e2a018128598e8d9bb4bc
  10. 0xd2784be50d278117e1f899a2f03461540c0fe7095fa351baa25d9efd3f2a7fd1
  11. 0x5fa69d87f230e2cbc94825b0e80b5c9297135b56e4874109298ffa0e19065707
  12. 0x03b83b58d35c8cf0df687b7f086e0255e4f6d15ec7ef28f2a98fde92204e8000
  13. 0x655a255b432b6571b596dbb38f28af823ec1c4ce47c448d28375be5280b09300
  14. 0x94b4711f52f98fdf3a85e64c6203d4ddef1de7bb28622e3dd8d8ecbb16081950
  15. 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
  16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON