addrbookFor publishers
← The evidence ledger

Evidence row 2125523

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:90867
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
52419a52106eb18ee718765d73b6b1f358eda2551ba8d974b9010d675f8e4cdf
Leaf
0xe4b603494268cd1e46ca9a4e12ce761ad0a4d87f570cd1ac4899a2dc814d76ca

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fHs5vL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/353bd367-996f-4c52-8196-c8c1c2c4ad70/.well-known/agent-card.json"
    ]
  ],
  "name": "Klakus",
  "owner_address": "0xb4ef4327088863bbd76842408aede9b674b24e2d",
  "raw": {
    "agent_id": "90867",
    "agent_uri": "https://centralcity.ai/a/fHs5vL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klakus 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/fHs5vL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klakus",
      "registrations": [
        {
          "agentId": 90867,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/353bd367-996f-4c52-8196-c8c1c2c4ad70/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fHs5vL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793620371,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:56:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klakus 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/fHs5vL"
}

What the leaf hashes

{"body":"52419a52106eb18ee718765d73b6b1f358eda2551ba8d974b9010d675f8e4cdf","id":2125523,"kind":"listing","method":"sync.erc8004/1","observed_us":1793620612427094,"prev":null,"subject":"erc8004:5042:90867","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xe4b5fd468e39cb9a113c6cda4927d33094ba67b8831b0e7d164a6b356501d826
  2. 0x0f34f30bc74b812aa5db76fc87ac183c080036d2cd1601cfc9128cebfe0022f4
  3. 0xc860654da3c6dc364468353b28411002425522ce1a8ee539c55fbd442a49117e
  4. 0xd2341ea457e58ed95b043462814276334ce6a899b027aa58941f2976dc3530ad
  5. 0x9735057037aaa62fe7af89c026c7ae4f4f45e4e5ed9601465042d6476f69160d
  6. 0x32989f0ddae3e4278cd0fa27e5b566edf388c93af8322ac3883ebec295048573
  7. 0xce2a3bbd382c949dbcc5c67d4e550b862198ae1a160ea255287d51bd74bf1a03
  8. 0x675d1394b8494f9a42df13a1db86e32a307f4599a6d269eb881c0995a52351ac
  9. 0xf40fd2c2417460a57fa4ced28353081ea99826b1cdede79f0a917582f894ca6a
  10. 0xf9f3890e033134970cec13fa615cb0cbb160c5ea3115c74851d5d49215eae805
  11. 0xcf1656df47779b123d1f86c1f7f8f7586e0e8f27f4bdc7eb3239bf76a8cd8ae9
  12. 0x22bf176b50c1376a81c95eb70dd7c6a4714266ec78d08fbb68be60b003a0354c
  13. 0x5dd9fbf811b05f3e5af51f812b6eea86a039a192f115aecc0fd37a502e3a04f1
  14. 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
  15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
  16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON