addrbookFor publishers
← The evidence ledger

Evidence row 1783284

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:17282
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f1de439fa964ecc9c7fdbe4f3fc0498ab22d631e11e8cd6877688c41df7e778d
Leaf
0x7fc87368a9316bc687a4311a440e9d1e2dd9d90be8c17f6d9031dd49ab17c608

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/rNkh0v"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/093ca9dd-f180-4039-8542-41e40333c52e/.well-known/agent-card.json"
    ]
  ],
  "name": "Klosson",
  "owner_address": "0x4dcc77b8a7244ee16c1bcff5000bbe3a152c6826",
  "raw": {
    "agent_id": "17282",
    "agent_uri": "https://centralcity.ai/a/rNkh0v",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klosson 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/rNkh0v",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klosson",
      "registrations": [
        {
          "agentId": 17282,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/093ca9dd-f180-4039-8542-41e40333c52e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/rNkh0v",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793556726,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T18:16:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klosson 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/rNkh0v"
}

What the leaf hashes

{"body":"f1de439fa964ecc9c7fdbe4f3fc0498ab22d631e11e8cd6877688c41df7e778d","id":1783284,"kind":"listing","method":"sync.erc8004/1","observed_us":1793556968213061,"prev":null,"subject":"erc8004:5042:17282","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x7fc87f6a68e02392bf0038d9c8f97641c5bcad985293b69e0899b47d870fcc33
  2. 0x96854f26ac67155bce0f52e2bc81e4765afc5202c2bd567272d276b87cf06694
  3. 0xcb57769fcf323ef2c44905c50fe635a3d33441dad7cdd3f50f3388ce3c47cff1
  4. 0x7d9accf9f03ee9ec41b3d00cd335fdebb2fd6123224950dae99645fd7511237e
  5. 0x334c8010ae8d3da6308d896339089ed6c464b416309217264bf8c4ad10c0c78b
  6. 0xd4b5ea40c364465f810a4bd4c37bfc5d25cde5e8cc697788b3bf045c83ec5086
  7. 0x57f228b4ec37a11258b4530311a889b518054d8ee0e40b6fa40d1f8951a0fcb4
  8. 0x6ac723dd36663be42469becb8b376c1520bf29f9039497ec46c931d10bd4f31a
  9. 0xcc3b883356c09f4f20c95c156ab4f434321bd9ada9294a82d88d31f45e63fb16
  10. 0xaf7ec2fb0e3b492ee7363ce41d3c3fa17cf7cfcb1492426148034b721906f2f5
  11. 0xde5fcd433838fd1f03f4307634d8c97d5d9e913beca1a3345f045e6134ad2a9b
  12. 0xbef89f30edf79e35d1e5c3609040274f03bf6b5037e6619fb8bba37e42ead800
  13. 0x0d7168eda56f959819319294f2344abf3e83a06736c3ef37f9f274fd0bf74ed0
  14. 0x19ce574eee56ae085b2ab0004d191db3debc9d29cba2d71de21a8710ca8151ed
  15. 0x3950a937c3f98cedf9cbbc2f8905c10e3aac8ebc54b1e3468237d58bb254c496
  16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
  17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON