addrbookFor publishers
← The evidence ledger

Evidence row 3143336

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:304212
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b27fc9ae4716629570fb1e0400783d262d7bbccf6c9c06ddc2fee7906db7991f
Leaf
0xf10cc1862d3ac9477280c628cbefab3b4e8ec9208e9e050bb87246296553775a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/WoM5yE"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/54afe665-2216-4d4d-890f-e00ed0b6c006/.well-known/agent-card.json"
    ]
  ],
  "name": "Viandik",
  "owner_address": "0xa631d5665af8177e2d4a051c3fb9350070bd7eb7",
  "raw": {
    "agent_id": "304212",
    "agent_uri": "https://centralcity.ai/a/WoM5yE",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Viandik 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/WoM5yE",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Viandik",
      "registrations": [
        {
          "agentId": 304212,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/54afe665-2216-4d4d-890f-e00ed0b6c006/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/WoM5yE",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793831543,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T22:34:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Viandik 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/WoM5yE"
}

What the leaf hashes

{"body":"b27fc9ae4716629570fb1e0400783d262d7bbccf6c9c06ddc2fee7906db7991f","id":3143336,"kind":"listing","method":"sync.erc8004/1","observed_us":1793831654666741,"prev":null,"subject":"erc8004:5042:304212","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0xf10caadba900ae96e936228cf424c74fc46fc8ff267b5fbd9c9561c317ddb9bf
  2. 0x9f7f9affa45efcbcebcdc37e181d766a79206b0afc561f5b07d5eeaf0484f209
  3. 0xc7d8d2da195085240d2490987f05e5a07136f5aaac05680e7c7bc14bfcdec5ea
  4. 0xece8fb5eac2b9228de183107e9896d92a190da4dc39d33547fdb2b7b0f64b32f
  5. 0xad01a70cfe6670e498609f6c6382e1f94b0b73d921ecd55d3cd41c7cafd18d68
  6. 0x6806dffdbf2ba746d125be831d9e61964cf67698ae0722b1d9ddce1aa65bde2c
  7. 0xfb7a25a424f311ce0855ce5ae406f98f73f227dc95ca39d3dda2af06fa13ed0f
  8. 0xdc482b5e18a827d84b14e4fe3be07b1f2f404ee7511f15f92e68899e9a6ef3da
  9. 0xdee8fb7e8fca0abeaed6580ff77f4c35f9c1b97275c60cdd8dd980e1f3f19ec6
  10. 0x087b0e30e2a2866ae1b0b1486407f7a9cdfb243c4a58a90f4b742e855e8fb40c
  11. 0x9c35cc02a1bee7ea1032dc5dee0a91cc239730a0c6115491dee1ba4352622a93
  12. 0xd096fcce4779e4a8b31a69bccd873275a2d7b80f38e7f59b740d0d5b11db7ccf
  13. 0xe548c1eb35525797a537b43c3fc3e8e92a754730c1a1278d482ddb992877f15d
  14. 0xbf7e123029ce4365b819863a1c92b78b356111fa8f0bd187055546ccf59fa8ff
  15. 0xb0895d3fcf0eaeb1070bfba1f01a9f303d7588c23fce13bfa62350e6db1b923a
  16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
  17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON