addrbookFor publishers
← The evidence ledger

Evidence row 2709939

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:203230
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f7648703286a5ffb2eed04f0287b9e4ef2a314e2fc43eb8a082babda88edc1d2
Leaf
0x57a6c96fc730acf746475834cbf4ea33dc00ce8f9071cd531c8dba52833821dc

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sYEbXN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aa909174-c86c-47cd-82a9-a3c4a09d95e2/.well-known/agent-card.json"
    ]
  ],
  "name": "Jasson",
  "owner_address": "0xd5da218b38a2bfc3031e00bfb54b012796104410",
  "raw": {
    "agent_id": "203230",
    "agent_uri": "https://centralcity.ai/a/sYEbXN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Jasson 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/sYEbXN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Jasson",
      "registrations": [
        {
          "agentId": 203230,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aa909174-c86c-47cd-82a9-a3c4a09d95e2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sYEbXN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793737722,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:31:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Jasson 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/sYEbXN"
}

What the leaf hashes

{"body":"f7648703286a5ffb2eed04f0287b9e4ef2a314e2fc43eb8a082babda88edc1d2","id":2709939,"kind":"listing","method":"sync.erc8004/1","observed_us":1793737879547548,"prev":null,"subject":"erc8004:5042:203230","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. 0x57a7138904044eb42b7c2632ad3260f547e4d5673b5daafd24880b0aeec20957
  2. 0x1019d65e057ffc22e99202eeff2cb49d99185011feb8b585c00f8e60549fc2a1
  3. 0xa6cf4dbca5c06da4a91cd62ac0713ad2942d7ebe4c1caf4a8a37f61ac1dd3f03
  4. 0xe62638b50e0320159f2b3961539169bd6d3504446d1e579b6f64ce5beb00fb01
  5. 0xbd1875f6e39fc7e9b3035fe383dbe67d43a8cacd51a32389c66e2913c13fd4d0
  6. 0x73332a32e1d510bda227d8c1140ba55e70a50ee933a047e5edcefbcb378b3f06
  7. 0xebe503d7851d28e5620f538eab726e4cb9bedebba5ac6b5c8c77f1f25da85b38
  8. 0xfbb9838bd16b135a180961145f51ad91a1a73826dc12f6fa9fd9c94261950fa1
  9. 0x003fe57bf6a92c385d1bcc624674ff17161bc46d7b4d9aadff8e1f27f72c87b3
  10. 0xaa114cbfb4b0fed29f95eed1cc871b756353626ec8000987b5e5b53754441877
  11. 0x21dbe4fe8c169d23f14c2656ac01ae397b3263e6744741aafb24030fb63e63fc
  12. 0x70d65606720a65c49b64703ea697c1212a08e2d8eb236d9037e716b053982907
  13. 0x3ac62fcf3380a6da35d0b46e086a6e875d80896d818cf88fdfabb69923404b5b
  14. 0xa0355815fb68405edba1fd1bafdab2a650279d2317deb0f4dba32a14a86d8ec4
  15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
  16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
  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