addrbookFor publishers
← The evidence ledger

Evidence row 2536168

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:162098
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
bd9f01642129fd1f8f49cb4f18cffb9cd585449ffc0aaccf29ded7630d0a0df1
Leaf
0x9be3219d8255128674a02bff50f02cc48a104aace0c7096947f1d339dbeeb7a6

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/lh0Pws"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4293ca29-0041-4398-81b4-65c94b94efbb/.well-known/agent-card.json"
    ]
  ],
  "name": "Krampet",
  "owner_address": "0xd90836402acfb3aa5cc7d00856d6a9da3b599da8",
  "raw": {
    "agent_id": "162098",
    "agent_uri": "https://centralcity.ai/a/lh0Pws",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Krampet 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/lh0Pws",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Krampet",
      "registrations": [
        {
          "agentId": 162098,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4293ca29-0041-4398-81b4-65c94b94efbb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/lh0Pws",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793685327,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T05:55:40Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Krampet 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/lh0Pws"
}

What the leaf hashes

{"body":"bd9f01642129fd1f8f49cb4f18cffb9cd585449ffc0aaccf29ded7630d0a0df1","id":2536168,"kind":"listing","method":"sync.erc8004/1","observed_us":1793685340480073,"prev":null,"subject":"erc8004:5042:162098","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. 0x9be290129c15302954c8e9ba0c8a9f6848811e1fb63a1bf4e6f675d7273f575c
  2. 0x4225c1f5334558005bd5b8872a88a4ff7ba84cde0ffd4f43c4f38cb8a0e88d91
  3. 0x56ce342fd1e73287aa00e3d5338e8de267b7185980995c6797d3f788fb99f529
  4. 0xb76e739309a1c5571ef408c92d346fd881a61aadae3d5e3d4c1374c2d140d48f
  5. 0x32d529735035b6b0235c33b50214e0e3c93e9bb5eeb495147930854f7452f716
  6. 0xebdcf7879c7ba39366a33b6fe0555d2a5c79c37a5827faa435778dcadf6fe925
  7. 0xa62310dab96c25a13dba02ebaaf36505cc1c004e265b718480987681158cc41e
  8. 0x662b6ac1f9c725e28368e4d0a2cf0950bcdb2c0d72fb72e6d17396f04fd61c7a
  9. 0x4fe35f93b1ed73cdbe97f9e30f906f9fc47d4042b5be9a0ce65fa13470cdf0cc
  10. 0x4f0ce133afea0d11d66547f65eeef261cf452e4ecb297bc63028823e869c47db
  11. 0xc779d2d43791dfe247af69d56e581e39a1af350c71f1cf4836e024692f5576ba
  12. 0x5135f96b23ea1e5b4458c92c404705e6b4f464bcfb58f2d4484f6776cf797208
  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