addrbookFor publishers
← The evidence ledger

Evidence row 2725340

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:210647
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4693a8dfb0831f89396065bf653693aab54d2148fc03221ad0ee232638ffa96a
Leaf
0x57593cb65e2052fd757f08b0f80c935f19b3786900af6529f6bc3a80522c526b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/8PfB54"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/224ad184-a080-4325-9d21-803b590b6c08/.well-known/agent-card.json"
    ]
  ],
  "name": "Vobis",
  "owner_address": "0x408d1a113847c857490a7eb0a7ff01285ba75672",
  "raw": {
    "agent_id": "210647",
    "agent_uri": "https://centralcity.ai/a/8PfB54",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vobis 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/8PfB54",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vobis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/224ad184-a080-4325-9d21-803b590b6c08/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/8PfB54",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:08:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vobis 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/8PfB54"
}

What the leaf hashes

{"body":"4693a8dfb0831f89396065bf653693aab54d2148fc03221ad0ee232638ffa96a","id":2725340,"kind":"listing","method":"sync.erc8004/1","observed_us":1793747316679006,"prev":null,"subject":"erc8004:5042:210647","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. 0x575943ebb577c9b5d31e3be80e85594eeea005fd069c8706d937d0f4a7cf0359
  2. 0x43f86eb31c00acde4f155e487ec9b970f23fc6fe5d5c8f3393625e8339c248f3
  3. 0xe3230b9890da4832186dae9d56ab0b00fa2d3d10c7dafb3041e01ed3c8770f92
  4. 0xafbb79743670491431996753c61a386e30be1001c7692966743ac0ae89166a52
  5. 0xb9e9c17e10e5392edc9aa8af6672089373b9e047a174943c45926d28d265d287
  6. 0x9d4302469aabc06adae7c7fda99f51e6d7e931c7c95179481c9d0cdb50aa4f4b
  7. 0xae77f5eadabbb62a0ec34beb360504f7b360e2ef0f5c77ae3c9914b02397d8e8
  8. 0x6a7ef1619f68e0dd7812acda2e3c068ca354d4e2b96c7b31e4e4fd59a3e955cb
  9. 0x0f1a8b126d69cc1e220942c948b1fc839f2ba8d4102dec54eaedc7a8e8573a07
  10. 0x28fa458289229cbea1a9a6d0b4b831bc9189727208df1a9d00e3c6fe599bb69b
  11. 0xf345e033db21ca6c9b45001fe124a132ce2e3c2ff7cb969d289949cccc96a040
  12. 0x5d5a3ab10dd6f648841ff0f51748c0f332dddf350a2dd23af3a95ec40cfeda2e
  13. 0x3ac62fcf3380a6da35d0b46e086a6e875d80896d818cf88fdfabb69923404b5b
  14. 0xa0355815fb68405edba1fd1bafdab2a650279d2317deb0f4dba32a14a86d8ec4
  15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
  16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON