addrbookFor publishers
← The evidence ledger

Evidence row 2619973

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:197706
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3b2dc41814ce55361256cabb7e3cc0d48539ca3923dc1184f90fbfc3084da0cb
Leaf
0x20398bff9b53b5eadca8b315a95b17b3dc448287625169e1fbe42f21a37a0c6b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/43sQLg"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b20bb18b-f4a2-4722-b40e-729932e33abb/.well-known/agent-card.json"
    ]
  ],
  "name": "Hioveon52",
  "owner_address": "0x8973b40ba6d0efb9382993f50b0af33afb26bee6",
  "raw": {
    "agent_id": "197706",
    "agent_uri": "https://centralcity.ai/a/43sQLg",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hioveon52 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/43sQLg",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hioveon52",
      "registrations": [
        {
          "agentId": 197706,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b20bb18b-f4a2-4722-b40e-729932e33abb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/43sQLg",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793728194,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T17:51:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hioveon52 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/43sQLg"
}

What the leaf hashes

{"body":"3b2dc41814ce55361256cabb7e3cc0d48539ca3923dc1184f90fbfc3084da0cb","id":2619973,"kind":"listing","method":"sync.erc8004/1","observed_us":1793728307903359,"prev":null,"subject":"erc8004:5042:197706","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. 0x2038ad0567e4c6defe39cdc3b1a0d52e3c94ddf2f4970707541df1e5d7de1910
  2. 0x0970f0277566fc1475e9bd530d777078e204465a315ea9a56804db24c9636f25
  3. 0x2d49b4e166b8a7ba0f20637b24d798a651afb2af38d1fdb7822b651e4f7523a4
  4. 0xc073e71fa0e14fa0270ac09eabbb0d924656a2de68c130b0c23cfe8c2dd96a91
  5. 0x357e96b827c250f078f68223724b82effd045b23cdf9e34cdd9518ab22ad9f01
  6. 0x88a28b974acd5aae42ab4ef540b15e86be5b3f21315af10620323dad55e22cb9
  7. 0x09810b29b8de1943cb5800a3e94504ab8de46b24126d66420ccd22844956d01f
  8. 0x4c194ce16f19f638f7d988c809fc2f3b10ff83ae7c661c265bd6073c5b2db038
  9. 0x208b75b87c710e80eee6caf80c3a694b680ec687732378afe24f5238f58b4441
  10. 0xc233c35bb2b614c14e89b486492472cb73172ff86b81472badf649755bbc78f8
  11. 0x76c6de641522fd9493555b4fffd7c87789461d3754bb7c49fbfa1205c3c326f7
  12. 0x8b14f1e53c15f289f0732c021ea844f0e0bb2b3ddf7f4ad8deb748b6e07c3e89
  13. 0xfb5a34649a5338bf52060a8127910a8cad79eb45a3dc649b67b230ac03180f43
  14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
  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