addrbookFor publishers
← The evidence ledger

Evidence row 2602543

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:190266
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e6f38c371016217b3129af7403f88aef23c0bed100e47fcc7eeeb5775e3f4e3f
Leaf
0xc7f7e2beeb2655a2d6d8985c4071fe786a01950ae5b0e5227e99dd9a592fc952

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PcQKHb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/edba3be3-a984-480a-9665-59ebdb9f500e/.well-known/agent-card.json"
    ]
  ],
  "name": "Klauvon",
  "owner_address": "0x05a71f1fdbf57e9c2891e8d21c87fae08f813137",
  "raw": {
    "agent_id": "190266",
    "agent_uri": "https://centralcity.ai/a/PcQKHb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klauvon 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/PcQKHb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klauvon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/edba3be3-a984-480a-9665-59ebdb9f500e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PcQKHb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:09:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klauvon 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/PcQKHb"
}

What the leaf hashes

{"body":"e6f38c371016217b3129af7403f88aef23c0bed100e47fcc7eeeb5775e3f4e3f","id":2602543,"kind":"listing","method":"sync.erc8004/1","observed_us":1793718579656327,"prev":null,"subject":"erc8004:5042:190266","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. 0xc7f7199f2478f3f7edd0ac645241c0e9ea4891c2e1367c5b7222cb5e5aebe802
  2. 0x6c64a7cb277ac453130c665dabd233ebe90fa9f8c1b7b89404ce1381634e9742
  3. 0x85ce238d6cc4b315b78b39028ea8b055722f10f103746d2920cbe064b1e7fb70
  4. 0x48463d6eacc1c9f49d8cca88565a278b029eb39bb922b0203bbe27053dd0b001
  5. 0x52165f22dfc5fd8fd9608045318f0bc4f79d45b871d8c741f9791201c044db16
  6. 0xd410ae3d180782be2bb224df57ff5ff83edc3033148239829d772327aac54a1c
  7. 0x7d13a75770328dcace737926ccfc318c8c4e5ae14cde397ae14cf44f58ebeba8
  8. 0x208e7cd055f9baa17476c4edc91b0dce6f7eeb14f8a2a809914a0026f8d289b3
  9. 0x8080e52bf539a9d22b5c27265c40b6eeaf402e36f6a483869fa22bf37311e7c0
  10. 0xe6ee485f5bc27a827917156f84f611657e4f0798f2aa70db2da8559ffd092b4a
  11. 0xa7680a2300aa7f406fc3501cd284ff15f0bd9775dd2ab207321a9feb1cf49b8a
  12. 0x16dd40045e8f0cab53aa8d3c2d131ce041b4b36e5efa3f4a730eb95415d4754f
  13. 0xe7d1bc5a19c72da3374cf6c5d9af49dad33e112742ba8c06c04d858a1df1fc15
  14. 0xad3757a4386398bde7b5dfd7d1ed0d8391a8487b9cbded422b75d61d77ec3baf
  15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
  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