addrbookFor publishers
← The evidence ledger

Evidence row 2605900

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:192004
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a7a45a2940fb17e46667450d344e16db2700f067a1e64a3e6f49620a65227a5b
Leaf
0xc17f9dfa67ca5822f044ba740b98acb68bdbfba387ec671ff2e6ed85c06493d8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3EUeZZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ac96947b-f523-4fb7-8e71-bdcb1e0e06e9/.well-known/agent-card.json"
    ]
  ],
  "name": "Klokander",
  "owner_address": "0xeafeea09525efc2e890bcf49781ce612798727af",
  "raw": {
    "agent_id": "192004",
    "agent_uri": "https://centralcity.ai/a/3EUeZZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klokander 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/3EUeZZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klokander",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ac96947b-f523-4fb7-8e71-bdcb1e0e06e9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3EUeZZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:48:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klokander 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/3EUeZZ"
}

What the leaf hashes

{"body":"a7a45a2940fb17e46667450d344e16db2700f067a1e64a3e6f49620a65227a5b","id":2605900,"kind":"listing","method":"sync.erc8004/1","observed_us":1793720927160422,"prev":null,"subject":"erc8004:5042:192004","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. 0xc17fac8b23aba9a5ec7c80f437841c3d204cd586b0fe5302ac2f18dcd8610fbd
  2. 0x2198c04468992ce900b53a024e64ae752fded96fc5b8b7e99301bb71c5288999
  3. 0x73bd7151a4e3f66d1147fd36c5775fb3e946e0b5d71d30f7daf9122f217b6d68
  4. 0x84f5b74884a9b552ef8f773561b9df834027b82136303a6c309ad647d9903680
  5. 0x3b24a399d56db50df3e1ab4cbcd8dc8d442b2662d66a70e0b09196c8c5b75a08
  6. 0x375ee032a55c705195ab60ee260b1a20732fed53c86a37398e5800f93cfc736c
  7. 0x737ff31888417da84e5bca2342ec6d2c20e18ebe83dc5c8b9df83009d7bc55ef
  8. 0x04b3997af6c0685597ccc1b6db76b1038c4998b7f99b95dff89d4c8922db2b2a
  9. 0x95d52293ce1fb02466580a5273c7068f651de5853a840c1a032aab9d7de194c8
  10. 0x9f099251434406058a2308c6bf29463bfe5cafd1695350e408a8041ecc424fd2
  11. 0x94a6305c0dac6d9f3337c77003494100a1b365a49523d6f5b515dad71bc92ff0
  12. 0x6f56d38ff00873a3ef960b54c8dfdd323f37953ec549a79eaa3d046c594af9fd
  13. 0x5725fec26fdf9c4b3be2c1880ae1736a4d7fa0eeac79438dd7580b5eaa289599
  14. 0x1d666a17ae41c2931b0c5276dc8bd8c2adf9827a61eb629d06ca3a33ee6a051a
  15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
  16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON