addrbookFor publishers
← The evidence ledger

Evidence row 2955589

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:227934
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a313fb833450869c845dfeb4716db7df2f26ff95bec79206ca87581aff91d72f
Leaf
0x601e00ef3194564ff0e28f164f925069566c2b76fe8e311a09ce6a2333ce72a2

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/f0H2D2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/00d310d3-f64d-4fb6-bf25-5a2078d2e300/.well-known/agent-card.json"
    ]
  ],
  "name": "Fenseon",
  "owner_address": "0x5634dda43f6edc6a3f477145fada670f074d27ea",
  "raw": {
    "agent_id": "227934",
    "agent_uri": "https://centralcity.ai/a/f0H2D2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fenseon 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/f0H2D2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fenseon",
      "registrations": [
        {
          "agentId": 227934,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/00d310d3-f64d-4fb6-bf25-5a2078d2e300/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/f0H2D2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793770011,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T05:28:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fenseon 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/f0H2D2"
}

What the leaf hashes

{"body":"a313fb833450869c845dfeb4716db7df2f26ff95bec79206ca87581aff91d72f","id":2955589,"kind":"listing","method":"sync.erc8004/1","observed_us":1793770113942259,"prev":null,"subject":"erc8004:5042:227934","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x601e2ea4441206754f4c9ba38f9084d75375aaff4b8020bc795ff6e288af8242
  2. 0xb77f29eefd3354e2c4f6f7678fce3c4b1ba53e3617a405b942a4e2f7974ee21f
  3. 0xd102681962e909cf5a2d24ed0ac3eb6703369516fccdfd6d4085007b2a8b8055
  4. 0xd1c302ada853f80219cfb041589f011a7dae34d53ebfa56da401f650c6e4b658
  5. 0x8d86bf7871e2fc122a302eecc5de31cba7c63b76445a7384d1d0f838e0dd15b8
  6. 0x234063222cfa7078c4e3fb1bc380b95c8f5ab19041d2d43446866ef408c00233
  7. 0x5a4514153a393abb716f40d7ce38b18aef0f0ecbd45db0cf6354b2c980bbc4be
  8. 0x72e3ca237506c11d43c54a089093041a54b86e033c1302177b7274ab7064122a
  9. 0xecc14d71ffbb93b4785b313df07e52b6a76ee4d06dcfec217c712662354e34eb
  10. 0x984f3e2a5411a2bad89c4b94c7e78bada3fb656e876b0c23f3d1c55c3ad9eef2
  11. 0xf5d7be65c878f235ac48abf7a4ba4880e6a37338ff450cab8bb32269f237fad7
  12. 0x2a264247c6b0bdc2c4d02f4d368a9ee6ffc3ce98e0ef99ebc1856bacdcf69ecf
  13. 0x8ce48cd53b5a4bfcc7ea30189cc8cbed3b53c5cd015b1e3422dbb3eaff8ffc27
  14. 0x4c6a239112152a196e534957ed4fc38d90b1a49e17c6ec6aeb24e15cf6f3a341
  15. 0xef57a5030e9f74924772ed82f2ec9d81269d0f11488e66c967d5fe90d002634f
  16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
  17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON