addrbookFor publishers
← The evidence ledger

Evidence row 2509468

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:152534
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a4c1680d21dc93a697ea9674491dbad0f4f53afff5388abe0ff8433b80ca443a
Leaf
0x722e0d09389b47fdbdea589117f800bcdf132c8a5452ae9f73b7cf000bacf390

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Q27Y8G"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1d50a3f4-1ceb-4324-971f-123b9e595c9b/.well-known/agent-card.json"
    ]
  ],
  "name": "Zeizino",
  "owner_address": "0xb99cf0689a472e5e934ce0486390e90e86bb80ff",
  "raw": {
    "agent_id": "152534",
    "agent_uri": "https://centralcity.ai/a/Q27Y8G",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zeizino 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/Q27Y8G",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zeizino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1d50a3f4-1ceb-4324-971f-123b9e595c9b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Q27Y8G",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:48:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zeizino 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/Q27Y8G"
}

What the leaf hashes

{"body":"a4c1680d21dc93a697ea9674491dbad0f4f53afff5388abe0ff8433b80ca443a","id":2509468,"kind":"listing","method":"sync.erc8004/1","observed_us":1793674111532338,"prev":null,"subject":"erc8004:5042:152534","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. 0x722dfc63510491ede2c39572eaed20a4a6a7954a2c21437d1781671084463d4f
  2. 0x5e9c9c91675ec26b4ca60ff7ad76382b8e23e60ea592d6a045e9c6efce1bb9bc
  3. 0xa336b7eea9677120fcd0edee150c2a2c3e071dbcacb3b305788a8c303f600858
  4. 0x5329089fee710b2c3e4d1dcd2ab65a98745ccfcb846099caf3e7bc9e6d0c65c2
  5. 0x58d16799647edfebaf3a5bb88ddeda560f180e9c45fe5d0c3911ba7abd6f04d0
  6. 0xab35dbcd4f506c21589bff7dcd193863fdd6757f1933e3499f140d4bb22d2ed3
  7. 0x20246f6cca79907d537bebbd497cb95b8605e6209e29d11a51cb238286e15907
  8. 0xb680f499bec940c7ee568036bc3bc0a92021bf4dff305413fc9710f1efa55231
  9. 0xc8a90ac3b6ebd8dfb233781e7a18daa37696198834ffafd37f48ae04bc58ae29
  10. 0xe6d7e7927f764af28e1425f107d2aa3b8b2e37f2985ef9217c15edab4bbac124
  11. 0xc6735dc4ce0e48b09a79c509ebc87289728dcd6355b9d72c55c2d1ab42f748ce
  12. 0x3de9f932f23d59687cabb7438583cf4b53b721aa42938335397d31c544fe782f
  13. 0x892eb4fc237b63aa9cb555db156e93417ecefd6e971d8aae4d777eefb8211946
  14. 0x8888e0d25075a71372832a4a34d226613212be78f7f52e7bc201b28be0cf3c7b
  15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
  16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON