addrbookFor publishers
← The evidence ledger

Evidence row 2500558

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:149216
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
16abf2661a5339d147e09dd8bf22c9bbe7c448d99ba2463952ec3b52b5d06c17
Leaf
0x266ad585e574103d683f539af291705ae4bbef90a21e31720e81fa51c3d5c265

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IEU83s"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/48878aee-24b6-4287-a264-042bf6c70f67/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiakert",
  "owner_address": "0xf4011e851d1199d9e584064f44be363ccb3a01c4",
  "raw": {
    "agent_id": "149216",
    "agent_uri": "https://centralcity.ai/a/IEU83s",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiakert 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/IEU83s",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiakert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/48878aee-24b6-4287-a264-042bf6c70f67/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IEU83s",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T01:45:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiakert 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/IEU83s"
}

What the leaf hashes

{"body":"16abf2661a5339d147e09dd8bf22c9bbe7c448d99ba2463952ec3b52b5d06c17","id":2500558,"kind":"listing","method":"sync.erc8004/1","observed_us":1793670354338833,"prev":null,"subject":"erc8004:5042:149216","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. 0x266ac3b9dab56c174251708b6c8e7511f5adc3bc1af0cc86baa6b9dc0dc1b505
  2. 0x8a0f5c945d1375d7d1f7000449071101069cf7dd2c7f18d83c65de1ed4ef8fda
  3. 0x7d554cb37bd79e5044933f572bdd9799abcdf22993092ecc348db5795d542e31
  4. 0xfec4ba9f31ec4b0ec06f986ee674e00b4b96de0006ccb155715930db026d11b1
  5. 0x95b941dacc9d5dd23dc03063f28f06f9d7fe234229926a6e41f2ccbd740b7d08
  6. 0xc8013f6204f972e5c3d2294cbe50701d1ea80af8b415d601707bb5dcbcb59244
  7. 0x5fab63309ecf69bc0d8669e6efd1f0c56bbfeb6742f026adbe4c392e82b2574a
  8. 0x74a098e6986982663eb971f5a9057968cc9e952f48710c15a2382c6dee27cff8
  9. 0x445e10068634520093df0f8dd888dcf4c84fca3d1b7e0b3f3002f460b3958fe9
  10. 0x1f22440ec17873a1957fc59c996e60af9df1557b6faa31c6c096dc30d198ce7c
  11. 0xfd95d2733db63864a27c2f334799120ee82d43ba7d60f8d1c5fb37373eb15c50
  12. 0x404f5095cb117dbc273dab4f53a49ed8d1a48be81b69879f7d00d7e85e406ef1
  13. 0xef1dfe0416b9867c5e84356ce47af8e533ec4133742db5d772c747b8eb9de6cf
  14. 0x2eb509fa1adfd792931a660ef16ddc125428dd5ab3b79bbec78835e1899fa304
  15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON