addrbookFor publishers
← The evidence ledger

Evidence row 2586174

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:184688
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
129deecc19f0241bb36f3a466477aab875791635aa8f3588e525cb670cad445d
Leaf
0xdc10109806a4172cfa925685c4eafc1353dd1f9098577da8cde3b3d0a66e83c8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nPG1dw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/adeb8a56-9578-45ad-8dd6-e5d83cb58e28/.well-known/agent-card.json"
    ]
  ],
  "name": "Siampeon",
  "owner_address": "0x1a79bc3de999358f00f70676ac2317f94c6807c9",
  "raw": {
    "agent_id": "184688",
    "agent_uri": "https://centralcity.ai/a/nPG1dw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Siampeon 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/nPG1dw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Siampeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/adeb8a56-9578-45ad-8dd6-e5d83cb58e28/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nPG1dw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T13:16:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Siampeon 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/nPG1dw"
}

What the leaf hashes

{"body":"129deecc19f0241bb36f3a466477aab875791635aa8f3588e525cb670cad445d","id":2586174,"kind":"listing","method":"sync.erc8004/1","observed_us":1793711786007750,"prev":null,"subject":"erc8004:5042:184688","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. 0xdc100759880aecad87264fb9cff491d7057f29a664d49772d6d0235583ec8995
  2. 0xfac317912e59e8cff758d6c21f41c5852a40e7442d0846dbb803e85cc3ec35f9
  3. 0x3cc72e27551b342ead1d8f28d737fdf8344a6d9be19e7413eb554d487c9390d4
  4. 0x98e4ee9e85fb5f9366b12aa9b1206e3a5d9d651bd710f8eaf1654a644abb7fcf
  5. 0x283fe584050ec4367a4528124337dd494212072d0e7ab853a0408adce5fdfe35
  6. 0x878c2a1b6110ada9cc9741c892c4ebcbd0adef8378f64f8c9d9f1c9726a3e8c1
  7. 0x6f560eaeaa29b1e820bc18a37db9a45aab57b3e58f24fc2725060a03be9b8cc6
  8. 0xe3ab6fd9ccbd2e8d7a9ce92c9b1f33fcd9efa6e46a1169d1a97fce6fb208580a
  9. 0x9a866ccd05b3473f7e2836383ad8c265c4bbc7b97624c746c80e0ffb60b6c0bd
  10. 0xdf2b485364dc7b00c00b07b751e5807ec1a3a1446b5e427414234400a015d5e1
  11. 0x779fcb144b950be8adde4fa3731150f1127d7083618e768f9692204c1ffcc2ce
  12. 0x69fef493303258aeebc16c0eb97f48a6c48c1bb23cfd01f1f80eede3dba2a152
  13. 0xce6f344e5d2ebbe9a3ab4bb64d1eeeca122b42bf3c2bf88ced9f78e1da0b926b
  14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
  15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON