addrbookFor publishers
← The evidence ledger

Evidence row 2587228

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:185064
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f73b278cea9b5b5ac98485c087ad85d7449e4ecd5505c2180ffdb297462d8ab6
Leaf
0x2f8f8cb8106a27b3971d1a3f2d838863d2bc0f9c1937f371ebb4e3847bcac3cb

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nGjWXG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e5598085-21f9-434e-a87d-ddfd7b88b6cb/.well-known/agent-card.json"
    ]
  ],
  "name": "Kaseon9",
  "owner_address": "0xb33877f471d358b7145e4be9af4cd2b702d0ffc9",
  "raw": {
    "agent_id": "185064",
    "agent_uri": "https://centralcity.ai/a/nGjWXG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kaseon9 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/nGjWXG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kaseon9",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e5598085-21f9-434e-a87d-ddfd7b88b6cb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nGjWXG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T13:22:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kaseon9 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/nGjWXG"
}

What the leaf hashes

{"body":"f73b278cea9b5b5ac98485c087ad85d7449e4ecd5505c2180ffdb297462d8ab6","id":2587228,"kind":"listing","method":"sync.erc8004/1","observed_us":1793712141321252,"prev":null,"subject":"erc8004:5042:185064","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. 0x2f8f9f5eb72d942cd6624429607d768bf9d41b20cb900615ae8773bb95dae146
  2. 0x8bcd6dd8762537750204aaefa891e0384b70ecb9f7cf520ca110f960c64ff0f5
  3. 0xcfbffb71cbc98fb8f090d41cdd9111adbd269aed9150a607a843ac50e76f951c
  4. 0x8c2486feb3264931f5b75308ca1c550f6fb3df18360546cdecb84893048d470a
  5. 0x707221a0b3fadebee61ec516fa61926ffa303866ea1e758a23fc0d7b9b5da679
  6. 0xc81a1676b0280a98b0e62f58e0fb473f78a9a50ff841cb7ac0e7baa5f2214554
  7. 0x6000bc09c7987b4bf88f589bb8267dd7c399c915b1db18e36e0b8a52482260e2
  8. 0x3ba78ed78fc428c22f7e8068fa717fe5adb51cea1a0ec6d43c8cf2809f9e536b
  9. 0x4fd3e7d7a06a4fc3457b095ed85301645dd5243537a73d7868acc2bf2d3d2934
  10. 0x63ab81aebc65bcf923be9b1a5def93775116f4b0b05bd6e9b59c347970e9e382
  11. 0x09445fc129714b83c41e68d16ce643e5a9ef89fa90476ffc02db8f38fa123049
  12. 0x8455b4b7e5ecaa70aa53da04470fe41e0e0365e4edfd954320849b1c24ce31af
  13. 0x2f64dbba88ce60f5cad9ef597b99adbf687838c05ce885ed581fa95aaf9b1a3f
  14. 0x2498d172c194baddb2b78ac926b7c8da79833909dc2801e4c25af0c0eeca0f3d
  15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON