addrbookFor publishers
← The evidence ledger

Evidence row 2552784

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:169304
Recorded
Previous row
#2552445
Body SHA-256
db952252841c6bd37c0d4a534ac9531f448c10a33cce852070a383a346cd59c1
Leaf
0x1b037e4594b8a92c311ed1342787d2698df1a3e6963cfc30785c0560cfbe6500

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/AqQLH1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/19bbac4b-7fdb-4a3c-82e2-5ed120c292e8/.well-known/agent-card.json"
    ]
  ],
  "name": "Matias",
  "owner_address": "0x6634348c467dd6dc7286405d24625fd5b05e28a4",
  "raw": {
    "agent_id": "169304",
    "agent_uri": "https://centralcity.ai/a/AqQLH1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Matias 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/AqQLH1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Matias",
      "registrations": [
        {
          "agentId": 169304,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/19bbac4b-7fdb-4a3c-82e2-5ed120c292e8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/AqQLH1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793693691,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:17:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Matias 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/AqQLH1"
}

What the leaf hashes

{"body":"db952252841c6bd37c0d4a534ac9531f448c10a33cce852070a383a346cd59c1","id":2552784,"kind":"listing","method":"sync.erc8004/1","observed_us":1793693869110185,"prev":2552445,"subject":"erc8004:5042:169304","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. 0x1b037f4b41664215c707f1eb52425b8e74603e72ee8069baa92b073d5739df08
  2. 0xf366e1171cb7bd618eff59f667b2d8c4c982dbb577f0814aa444c4f773db0a2a
  3. 0xc518bd35929b3c2537f5e5e8de65345fdd61030259e0bd98bda326393f546fc6
  4. 0x00f97441252cf2ef0c381d20094ff0c4e6f451be41fca0e8cec867b9915fbc16
  5. 0xfdb63f37f66a5c2dfe78c03080f44c596506511da385f7ce7b9830feb2aeacfa
  6. 0x50eacf956ddcdd1485a3f99633e89349b137da59dbf972041ada660b3f7978f2
  7. 0x2a6601fd0ca30f327aeed4c85c3893db024bf350e54eaf1ba479c53b079fc7a0
  8. 0xfd50759ab9cda17f54b61cad13d422df9b769cffc1f63ea1214be3799efd193e
  9. 0x774402ba105c26eea8f762f35d32b361b636a47c97646e59bee1319b1557fa55
  10. 0xb071cd0475f81474cf35c245a2e3e1eca38154dd34f3f591162695839bd1e9d8
  11. 0x1f782a601b750faaa82b9e347e97759789b2425f15c899d0515be3f1cb7cc43b
  12. 0xfbaf6a797c82410c1b23e4da79d34da2f9afcd35de9499dfdb99f8a8bf86cf9c
  13. 0x6393e3b006f758b9dc2efca97748e8b94b587bc90cac45f81eb08fb9398fed9a
  14. 0xa1b9921bde76812f1ccbe5230e9921311a3aeab7f9d6861066c6dd5b532d126e
  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