addrbookFor publishers
← The evidence ledger

Evidence row 2558424

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:172628
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1fd47c82b3af9be906b3ab8dfa5b6cb2ea8ae2c1921bb585b2a41b3e8791a6ba
Leaf
0x21cf5eeab062a415e97044f5d0d0e0c27a8dc4703d0fb1259cb4cb202961dd4b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/WpGYhd"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c9495f4e-5f0e-4f2b-ac67-e671c8e11b72/.well-known/agent-card.json"
    ]
  ],
  "name": "Launus",
  "owner_address": "0x00d8e204bff7f2128153c0a3359ac0d830c0a755",
  "raw": {
    "agent_id": "172628",
    "agent_uri": "https://centralcity.ai/a/WpGYhd",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Launus 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/WpGYhd",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Launus",
      "registrations": [
        {
          "agentId": 172628,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c9495f4e-5f0e-4f2b-ac67-e671c8e11b72/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/WpGYhd",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793697262,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:14:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Launus 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/WpGYhd"
}

What the leaf hashes

{"body":"1fd47c82b3af9be906b3ab8dfa5b6cb2ea8ae2c1921bb585b2a41b3e8791a6ba","id":2558424,"kind":"listing","method":"sync.erc8004/1","observed_us":1793697275914386,"prev":null,"subject":"erc8004:5042:172628","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. 0x21cf5ab235dd558442530235771467fd6be01e40df23a45ee91dbb263bab0632
  2. 0x8c0749bb0972387c7ee467b610a9b88e2ab1d62b06f23a287e9a97434cdbc3a5
  3. 0x84c5a2b4d16809bf473bf88c44472a544ef89cd631884166fd7248001b91dd9e
  4. 0xac9b3fd6cdc0bd5690566b080017a1d92e7015a18dec75bf926bc4909d2d48af
  5. 0xad76209a63a39025369bd2fa167d036df0fee76cf6f74b5060b071be71926cce
  6. 0x5aad3b937b80622d014aba9da54cd8052119bdd26e887c3de1f4fb6ebd25795b
  7. 0xc9492c3d01be9f0a40a032e4ae0e897b96566d985bc1321bc8d0ab5a022172b8
  8. 0xd50540a62757e2582db8739655d4fa09a35af7a19297d6e64b1dae6fc30d0aad
  9. 0x780de9c41628de502e13a3c562d1002bd89db1e6ebae966c789632f4144e1dac
  10. 0x50758b1692cdb71c43ab73527902638480d5703039479061a19924ae90637d0b
  11. 0x314d8527f920de12809dfb70822f0a7a91936e6a4b0927f3f57134b6eec69c6e
  12. 0xf3868fb2605c72c4bb9ede57d50d97fdbfc1e5ba7eba5de96f1352e52739f1fd
  13. 0xfb5a34649a5338bf52060a8127910a8cad79eb45a3dc649b67b230ac03180f43
  14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
  15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON