addrbookFor publishers
← The evidence ledger

Evidence row 1761482

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:4030
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
52686484278fa10bc88c75d663321baf04835ec00b65d89173759a326d6f8896
Leaf
0xdd2aac77f9ce919cf23300be394443a7fbbf6f6d550f68a2e77e4e518337e844

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/w7vCzh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/91b5c816-0f08-4a01-9bc0-fd979bcff2f7/.well-known/agent-card.json"
    ]
  ],
  "name": "Stovanta",
  "owner_address": "0xd11f1b2ee4bd82bce4b10d4faf6f964768069901",
  "raw": {
    "agent_id": "4030",
    "agent_uri": "https://centralcity.ai/a/w7vCzh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stovanta 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/w7vCzh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stovanta",
      "registrations": [
        {
          "agentId": 4030,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/91b5c816-0f08-4a01-9bc0-fd979bcff2f7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/w7vCzh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793532832,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T11:36:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stovanta 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/w7vCzh"
}

What the leaf hashes

{"body":"52686484278fa10bc88c75d663321baf04835ec00b65d89173759a326d6f8896","id":1761482,"kind":"listing","method":"sync.erc8004/1","observed_us":1793532982394334,"prev":null,"subject":"erc8004:5042:4030","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0xdd2aba8374123dfadc327c91493e3324e586827f8182866ad05894217aacfa3d
  2. 0x6ebb1ea7f8366e602e3358d665ca91857a475a30a25b9e5c21964e1facb2da1d
  3. 0xfecab194606cb23cfc9ce05fdf4c4af37337c742e18a34c27c5a2800c6a96302
  4. 0xf6838f61f4d119ea3dab7a76efbf55d53d7715d6222463545252c8530503a2d2
  5. 0x5c13395ae484dd21ddf873e8e5d3515a34de13d19f648a451aa73ba5ea7f0e9b
  6. 0xb1afff8603fe29ac197fb2ff0d7ea6abf874d023aea96e781e0e722bc1d8d2cc
  7. 0x1794a02b216a9f71333e503ed6f646e09870a62942ab5c4403c2e6773d5ee301
  8. 0xd71d442dacae48bfd7da06c864e6c190503c8e9695e5b2e0eb0e5fd055feeab0
  9. 0x0cac2bc83017b86fd1dd68e3a2689cb7b4d6972c902eb4a768aa2ac357b0ad33
  10. 0xdc0b1a6e6e349da06fd64bbcde68e70f9ed700a60fb8eae776501ac4effc5da4
  11. 0x3dba64400ad873d4a9db768427d0a9459f06746400baedc9ac320b65d7467605
  12. 0xdfa32f5198f53434ae19565dc216bf47b6ae348027a37e0be2678d1fa6697022
  13. 0x2a6197714ae72af66984e8acb7bdf44641d311c74106e3b6480080e1d9170463
  14. 0xe4cd5f56e5b4bb570140c97935a785daafbef0e607cafa2e0adfd0ff7fc250c7
  15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
  16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
  17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON