addrbookFor publishers
← The evidence ledger

Evidence row 2581548

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:183348
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
eea7c73a8bdbf21c38a1a98303f4d3ca89f919365cadefd31760d69919e51de9
Leaf
0xd22ea59c10b830f215ac699b9c99a041848998ac9534820542b627f1d23ab8d6

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UMYaSG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b1fee892-92da-4a66-b919-d856e4a3f6bd/.well-known/agent-card.json"
    ]
  ],
  "name": "Hufan",
  "owner_address": "0x3f0cb39cc10cc4b86956529bb40a006937a49997",
  "raw": {
    "agent_id": "183348",
    "agent_uri": "https://centralcity.ai/a/UMYaSG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hufan 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/UMYaSG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hufan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b1fee892-92da-4a66-b919-d856e4a3f6bd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UMYaSG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:48:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hufan 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/UMYaSG"
}

What the leaf hashes

{"body":"eea7c73a8bdbf21c38a1a98303f4d3ca89f919365cadefd31760d69919e51de9","id":2581548,"kind":"listing","method":"sync.erc8004/1","observed_us":1793710101764012,"prev":null,"subject":"erc8004:5042:183348","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. 0xd22e5e820a2f5432202b98b885cd40104b44b0533454e57860105ce589df363c
  2. 0x0614ac39c35d55cc05aeefe3bb4118ccb51eb6eadd1209e62ec891b2af2a3eb7
  3. 0x0613486e4f3b08cdf25e9f1f86afa5aea19d080b4fd5b5b49624854301c81d00
  4. 0x42d7107cfd541f9d4366dcf5fc454bdda0d3e318f2c0b05d7acc7f8dbb9aba6b
  5. 0x782f649f346b519b7ce02d5d5628394a96ad6fcc7010879e18a6f884c273c83d
  6. 0x96c7ca0be5c8bf1d0436f23fa86e9e0b87106ba9a4bf6692650c5b07f4bf4a6a
  7. 0x4cba34b679d791d76bef3f28509e2b9d643c2d524917f52882472e57ac477793
  8. 0x046e01a6f2a51531fccaac9fa4b8241208a49cf83249912490d671ddf6b1e156
  9. 0xdfbfbc3c32a86d6cf81630576fcb54cef10e26da4169c635abedc5be2009b69b
  10. 0xfdfb0accc649230e63edbd7142632764a5eac0eb6dca0ede45c75fee2d1b97a9
  11. 0x0b6b8418ec2cdb43b28266c62e6dea6534fccd1c09e8159502a857a4b5ed6dde
  12. 0x84d5afe768ae5fbe85eb40b07442f838f684608bc32825df14680ecfa368eb9b
  13. 0x261ca0740df5e85e5b16f678c029786a225e51713bd46a7b64085ef0d324efa0
  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