addrbookFor publishers
← The evidence ledger

Evidence row 2560558

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:173747
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a1395aae3bcf7e66182d652fc36187c20777c0bcda8df12b08293f3cf55605bb
Leaf
0x147a389e6035859f21c9ff23b493e2b487f09b98121737f29589827561f1bdfe

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wtlb9O"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c471d005-3ec7-402d-a36c-0a2f86224cfa/.well-known/agent-card.json"
    ]
  ],
  "name": "Breinsan",
  "owner_address": "0x86b1c788214f708642df658b95c18966276d93d2",
  "raw": {
    "agent_id": "173747",
    "agent_uri": "https://centralcity.ai/a/wtlb9O",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Breinsan 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/wtlb9O",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Breinsan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c471d005-3ec7-402d-a36c-0a2f86224cfa/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wtlb9O",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:37:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Breinsan 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/wtlb9O"
}

What the leaf hashes

{"body":"a1395aae3bcf7e66182d652fc36187c20777c0bcda8df12b08293f3cf55605bb","id":2560558,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698623720098,"prev":null,"subject":"erc8004:5042:173747","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. 0x147a55b95c632984206030a672d5eba8e26758cea04f0ff5cfbb443426243977
  2. 0x75f67e438f1621d2bf2ebcce828e0217d4f1624aafcc87ddc157b5a74f257165
  3. 0x1a8c410046dc5ea275087816abc4d68443ed935880c998164c40cca3ec1ecbe5
  4. 0x2851d2a86ef0024356a7a5c33279e1088237b245f3a6d861f8a547c41a5ce624
  5. 0xc2c4eeb7bdfa792adbde30de2f5439f94ba0f86a4d32e4e3e59ca76921cef541
  6. 0xb31b745c2f86d012e6dfde3aafcf8eea430316cab179f067d173759613afe7e1
  7. 0xcdbaee0f37e0f4bfba80dd912b88ddd6aef9835eb26dff06ece349809ecf3650
  8. 0x497626fe2224a6a48aca7b12cc5b1ff8be836bc93c19dcfbc86e20abeced1015
  9. 0x1174b092915e6e5340b2bd72994e9b542a3e42a512ed85f0e061d1e382b9f0f9
  10. 0x5e91a1582d39f26de39bdd3efdbaccbada9b4efccd5fc30c0f677cf2de1b3957
  11. 0x7004fe3f7e9f3f8118c119d452ec77a8a02bb6bcf9ac5387ab21e60d87b42653
  12. 0x4a703d7b488541b155124066b4dd7c3d5c7dec0475888c61ceba22b11223f76a
  13. 0xd94722bdb41527c7e86b71a63a94e4d4ae1edbc11a8300cc2dc1910b8fcb0a51
  14. 0x66e70e2e75d77163246a8096eab56d11301f21ccfe90f151078a58d2560d35c7
  15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON