addrbookFor publishers
← The evidence ledger

Evidence row 2529386

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:159853
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
07f2c084d9ef686374db4a03a151849f9dca3ae219598fd3bed0d5e8588cc8ea
Leaf
0x9d8eac90a76f3efd79c80de865a47f1d370da95fde4006227ea3bca20225f1c0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6sozAf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/21176ead-2149-42da-8e57-109d8eba0a82/.well-known/agent-card.json"
    ]
  ],
  "name": "Klassias",
  "owner_address": "0x4ff2de7d8f3a5b94ca968dbfc206f4204a63229f",
  "raw": {
    "agent_id": "159853",
    "agent_uri": "https://centralcity.ai/a/6sozAf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klassias 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/6sozAf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klassias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/21176ead-2149-42da-8e57-109d8eba0a82/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6sozAf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T05:10:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klassias 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/6sozAf"
}

What the leaf hashes

{"body":"07f2c084d9ef686374db4a03a151849f9dca3ae219598fd3bed0d5e8588cc8ea","id":2529386,"kind":"listing","method":"sync.erc8004/1","observed_us":1793682622295598,"prev":null,"subject":"erc8004:5042:159853","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. 0x9d8ea76804a2a5ae63422195e0bd7eb079a58ba7a979942d673b2ff7f19b5671
  2. 0x40afa147a3987a47ac29cbff38fc52937ecf8894b86e9bf4cee82f1562e39d7d
  3. 0x74bd4f6932d920b2c4415f5b2ddfe255ec85d9df4f285a8c9eec71a383617f6d
  4. 0xdf66c9599965963c1cae667f0039931ff994d7a37e1a69af27555ae6c9c5b2f1
  5. 0x4581585c53adab323ba2cc375ae914657004d0f1706aaa4f1f18dd04da86afb4
  6. 0x9615731caa47ce336dd70212b17e9554bdde56eac7f4283cb30694122d96a264
  7. 0x817820dd9bf2e11f5b7548a3250ede661e05a3573b4045bd11658bda5a4ff7d3
  8. 0x31fd8f8ccd215f923b1b90f2c4539727b2b0e62da2737df54e5d10bf06b2f82c
  9. 0x5d09d61945195199611be7eb0b9cf774fb288db6fd2ae82dac8e031677900a92
  10. 0x909cbdc0e4d28f9320f8be1f6aee74b26e653e30c3220d8d4d5c4d265365c18d
  11. 0xaa75af64696195f76b1ceda3bdd38b8d64a6e2d6d6a310d91a1003d62b8fb5a9
  12. 0x1099287727562c14a7abe0a83bbff73550f5edf7888838722a66e395138b4bba
  13. 0xa213237248bc217986c237aa7f834054c4c09d2887d4a5c8ab351dd9ccee40bd
  14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
  15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
  16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
  17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON