addrbookFor publishers
← The evidence ledger

Evidence row 2608859

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:192943
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
266861ea9287e39cdcbef73cf024ff47e615da4184be52f828eff6b226bf1f24
Leaf
0x2803d351e6151ea6bedca043ad9ebd3f4a5ed9baf1996b6f36b53620243ac5de

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/q4hM6g"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9ea4f55c-62d3-45fb-9647-c31850776904/.well-known/agent-card.json"
    ]
  ],
  "name": "Schemon",
  "owner_address": "0x4939f56f1033acbe1742ac1ad89caa879e82ad00",
  "raw": {
    "agent_id": "192943",
    "agent_uri": "https://centralcity.ai/a/q4hM6g",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Schemon 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/q4hM6g",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Schemon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9ea4f55c-62d3-45fb-9647-c31850776904/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/q4hM6g",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T16:11:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Schemon 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/q4hM6g"
}

What the leaf hashes

{"body":"266861ea9287e39cdcbef73cf024ff47e615da4184be52f828eff6b226bf1f24","id":2608859,"kind":"listing","method":"sync.erc8004/1","observed_us":1793722271296760,"prev":null,"subject":"erc8004:5042:192943","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. 0x2803c0cf2d45d223f202453310eb6a2046ed0a64ac9a034e846c867e197727ae
  2. 0xfab443d94e56d27f3b0be1164709052dfaf1875bb91ed89aab79a640cf6627ac
  3. 0xd7f71657f03ccdf91239afd214dcc1789fc4c69edcab29e37eb9cca7400eadf3
  4. 0x1f997c5c03830868683219bbd2dfacc1c1e2cb363818cfd3d8ef3b777c0c9302
  5. 0xafa794cd30f804505407113d48583f42b263cf55d7a478d20949f22d7f6d21cd
  6. 0xc3d116c38df5e1b3063fd3bb2df03f0b1cd734b31afcd0394d0521b205dc62b1
  7. 0x67197b490b6ffbecc2e4b298afcc95bc70cd236270350d64ca0b1d1d4b4b56b0
  8. 0xbead3a801b2022b5cdb7d9163d283ddeb6ea3d5c6e44613014a4843dbe7d585b
  9. 0xcfd720e75a66c2589ab7415051355d6413e306288b4c9c23c3126a731006aca4
  10. 0x4d3b395e7d915dc2e2e28ba2ace05c632d8346771dcfcf22f761509b93f5bf2b
  11. 0xe82dc1b204640da59f5a2d29ab812be2372271c2488b9d821339e8d2d8900b71
  12. 0xec2ddd443556613d59609a7b14c036e6d271882b780c25ab7f82c2f5014e2560
  13. 0xb3e9e2c239d3f86889736f5f9dd6b63f9f0ffb6cb921a6e5d19759d9d3670816
  14. 0xfa613c0d80cbcddee7d225a3ab575b2b3c7203ea9f8cf881bf1cd2ffed0f5a23
  15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON