addrbookFor publishers
← The evidence ledger

Evidence row 2108894

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:83677
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c5bf6182ba4b2526009263914ee7e12af6c0ce6ba189402b3558738f6ba7c578
Leaf
0x90f2e7d7050c78547427f583fdcf8529177b7bee9922f2265937789472bb5306

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/B67Kuv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/af3a6092-06ef-459f-98af-0d5815eb5495/.well-known/agent-card.json"
    ]
  ],
  "name": "Klader",
  "owner_address": "0x853a707f68450364febace62db0bc7e70ed1cdbc",
  "raw": {
    "agent_id": "83677",
    "agent_uri": "https://centralcity.ai/a/B67Kuv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klader 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/B67Kuv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klader",
      "registrations": [
        {
          "agentId": 83677,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/af3a6092-06ef-459f-98af-0d5815eb5495/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/B67Kuv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793614569,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T10:20:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klader 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/B67Kuv"
}

What the leaf hashes

{"body":"c5bf6182ba4b2526009263914ee7e12af6c0ce6ba189402b3558738f6ba7c578","id":2108894,"kind":"listing","method":"sync.erc8004/1","observed_us":1793614831852247,"prev":null,"subject":"erc8004:5042:83677","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. 0x90f32bdf12932bd9294f20bd7dca04fec04218429c6205cb8b6c624e7d077509
  2. 0x43e47fb08fc7c04e7c1004be02c89b9e22594354d3088b18a20fceee20cff951
  3. 0x3665ba58556e47e58d42786879c15b8411bc348341594827b9457cf4f0a4173f
  4. 0x8a119e12cd76fc8b2955c4e98b2c5d05319e3afd17bdb66b42c35e300c139bd0
  5. 0x933c00c74e7554ae2ce75e9afcb9127bf136aef74187ab9fbb11a0db34308036
  6. 0xb0af5f4d564dc640a0cfbf69a7c15a64f4af87ed61159efa1c33e6e6ab32fcc6
  7. 0x67803ff1b99dcda9a12e087d52687c98467ddcb8fa7ccc79939ea2c0739c91c0
  8. 0x5e300de13e4f428def9095b8008b54dc0172f677981f3981e08156bafcc8920e
  9. 0x026e8b3ad2a58c6d55068f7a4b7205fcad569e66a8092965719c07105522cca4
  10. 0xfe508055af72ee3ed4dc72fa1ffdffb0b9ce047524293e74d6468cd876917ff3
  11. 0x60907dd5dd397391b55397f372ca6b4fc83d8a482ecfaa244c928eec929dee1a
  12. 0xd756a44b3038ff0c0524eec8e134fb5ffbe1464a42757b4f12e15355e5ab2c3f
  13. 0x680e2eb544f0b0d7118b76ffef0a533f49c97860e3c70eaa1d07167760b4968c
  14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
  15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
  16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
  17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON