addrbookFor publishers
← The evidence ledger

Evidence row 2124666

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:90576
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d9a56293cc76bbf5d2ebefc910a4023333a5e5bfb39a8de6e3c921030ac95654
Leaf
0x6210b0681fb82e4768910505609a516ee3e10021200db8660a86e42385a21c6c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6uYDIt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ccbd563a-91c5-41d8-b175-3bf29f511727/.well-known/agent-card.json"
    ]
  ],
  "name": "Fefino",
  "owner_address": "0x18901c18a93e68de59879f344ea133d4f68254fb",
  "raw": {
    "agent_id": "90576",
    "agent_uri": "https://centralcity.ai/a/6uYDIt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fefino 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/6uYDIt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fefino",
      "registrations": [
        {
          "agentId": 90576,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ccbd563a-91c5-41d8-b175-3bf29f511727/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6uYDIt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793620066,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:50:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fefino 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/6uYDIt"
}

What the leaf hashes

{"body":"d9a56293cc76bbf5d2ebefc910a4023333a5e5bfb39a8de6e3c921030ac95654","id":2124666,"kind":"listing","method":"sync.erc8004/1","observed_us":1793620252119702,"prev":null,"subject":"erc8004:5042:90576","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x6210c991b2af9bf82a405562d9de1cfb04cea1dddb0f680f8c28b25870a7e117
  2. 0x68b77db494c66bb6451f8ec4c13b029193429514d1a1d04f75177fb5f068d3c3
  3. 0xb983e3ffd96d9c92d14e000d293fdde6c68a80e03508409aad5b8b0216436ff6
  4. 0x335fc498f2c81a71f28b6c6665c0cc9fedf0746cb240b866ca966258c71cac5a
  5. 0x22a8165eeb8f5d33d004d3d9f1bbbb8c50bc6f49015ed227842cc6fae34cdfa2
  6. 0xaf5647aa083d491b703796ebfdf420ef3a5d5d044902d340043dad4093b2ea33
  7. 0xd2808bfc5ad7d6bb67c8c024d8429498da3abb1c7185a1adb4ed9090f4ad8870
  8. 0xc0cc243c399499c64725e0229248f2f70852307d843668c0a6bfdb57d7adfc40
  9. 0x588430c97fd5fbfe4c2576f65ed300081c08aa32cd475cc8fa6d552355825343
  10. 0x0363db2ddd4804d8589daf989402865cc229bc39219381b3117c3d58f106c28d
  11. 0xbfa01cba6849cecd2c8f2b513afec8bb5ea92a87c56cd492662578b665f74197
  12. 0x01f1d6bc3b4b6d999bc8426485b340e41a9ad059d38c36f458e881f8b52146d1
  13. 0xfcf5d9c790c40588489c41a23736feba4efc9e83eda3317c30f53a98ce8d1d89
  14. 0x6ae97c2bdc679e3326a739627f6c3a307d7e25e547b9bf23dbf2622fb26d858e
  15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
  16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON