addrbookFor publishers
← The evidence ledger

Evidence row 2187684

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:120028
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9c460d95f872275e5afe02ab74beda34c7fc3d0f6f66874bd5c5c3c5b55aa8cf
Leaf
0x1289501e798f5b480f7cbfb095532a697e600746b177866fc504af2064fd31cd

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BkM3uA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5e6019be-a9db-4efb-ad11-4538d55242bd/.well-known/agent-card.json"
    ]
  ],
  "name": "Gausseon",
  "owner_address": "0x73938b1a8a9eade8621bb2f396dc7afbb59ecdf2",
  "raw": {
    "agent_id": "120028",
    "agent_uri": "https://centralcity.ai/a/BkM3uA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gausseon 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/BkM3uA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gausseon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5e6019be-a9db-4efb-ad11-4538d55242bd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BkM3uA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:12:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gausseon 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/BkM3uA"
}

What the leaf hashes

{"body":"9c460d95f872275e5afe02ab74beda34c7fc3d0f6f66874bd5c5c3c5b55aa8cf","id":2187684,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643149549003,"prev":null,"subject":"erc8004:5042:120028","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x1289877dd2e49ef789cb7aaf39ff2c5f6e3ee4e4056321f123cc5bef4ba837fb
  2. 0xbad0eb221b0bd946ecf7edaed612fbddd41ef631f1f19ec4fcfb8771eed573bc
  3. 0x2686e2f02d353e8f6d539634c9bf774d6216f1623eed8813b886948c90417fe1
  4. 0xa0a4c6dd95644e46fe1014c6e435f30c38a6fc83de9b20bed89640eff43b3751
  5. 0xed632f01530133f055dedaeb0c9c77933ea6acb0abe6f12024f08f1989ccac98
  6. 0x4e8f7b069d69e1dd33da418a21517c4478d065123156a35cb89704c09109b344
  7. 0xb1be3f496cdb65f8fed5ce9309611566195cc07ce96d07a76810e0605a73e7b3
  8. 0x2047ef36b9bda293d9ab15b7b6de822225c11a91072174b391d0819071ae9530
  9. 0x3e65b6e7dc67404c95551081ef0b6e2ad99107a1cc0d0de62871dcb7a6829b39
  10. 0xa6093abf2ee2c0ff8bf1ce3b8af3686f54c272d2acd06653c1994bd1886a3bab
  11. 0xa5811a0b89dd1221b6a020c2b4a6a7361cdbabfb7df683848ebfb0ea27be86af
  12. 0x74e0d631b606ef854cf5ee37e8a4af7452fcdd0b8dce7d3646c83926c6ab1fd5
  13. 0x51686476d83f4be87192f4eeb7ac78473591bfaf5a92a1822648fcb019a95a83
  14. 0x9914dfe331775bd1714304f757d2b6b43ba45167245d645ce50f54a3d8617c4d
  15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
  16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
  17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON