addrbookFor publishers
← The evidence ledger

Evidence row 3405232

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:336072
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9f0dbe4eeb404d23baf995487b932a6cba0e662879477dba4700fff16917a164
Leaf
0x16a727b36dd985e1249d8da5a14efef444e01eae8b701dce56a33b2a5a90783b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mhTpR6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b3dd9bb0-66da-4379-84b9-a64be7bc3580/.well-known/agent-card.json"
    ]
  ],
  "name": "Gubeon",
  "owner_address": "0x88a4a9e8a600a0daebec34f4545b104e13dd4a0d",
  "raw": {
    "agent_id": "336072",
    "agent_uri": "https://centralcity.ai/a/mhTpR6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gubeon 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/mhTpR6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gubeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b3dd9bb0-66da-4379-84b9-a64be7bc3580/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mhTpR6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T13:00:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gubeon 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/mhTpR6"
}

What the leaf hashes

{"body":"9f0dbe4eeb404d23baf995487b932a6cba0e662879477dba4700fff16917a164","id":3405232,"kind":"listing","method":"sync.erc8004/1","observed_us":1793883628821213,"prev":null,"subject":"erc8004:5042:336072","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0x16a77df9408326d56143650520aa92b1ba4bbd2385c7a752ab648c794e179169
  2. 0x17ceb275cffc871f8ee92c5c540b0deeb28d7c8f9bb711a400af36eb3b1dd5c6
  3. 0x2b985350290d0e64efba8b03a262f4d7b88bb8b62023d6352415eb30d370f03a
  4. 0x2789ffb478c853b315e3ac1427877f5c64e0b8990856c5a08dcd533a6a8b981b
  5. 0x587fc06d7ad204168403d904f63f19a6fe718e2bbd199ffc61bcaa10d7c5de4d
  6. 0x78f66b289ff133c0b9cc120852af8200702f2b99df61184f3350a6d3bf92f08a
  7. 0x85b5a331e6a520642b74a57ca55e3dc785dd3d044312b2b2b21c6c1d610dd93c
  8. 0xa13f21e008f25464080879cb580d6cc9f41e7d4e2abb392aa0d5e7012f195886
  9. 0x239aa112078cc4707fc59966c91e85386b31b67e1655bb8bd306363f4d3c4598
  10. 0xf6fe066c39067a094537c5fc257612a99f75fc37ca22efba21b7694080372609
  11. 0x514f18a18410e55cd06096b3bb030badf84130b3c23f767924d152e796606efd
  12. 0x99612c0d0fe803910ad02cac1099087cf81c4c9e901ada5392ef55766e000d22
  13. 0x56fb483f90a438aa799fb13783ca8c16107192f63c2eaf825e0f1afcbb86968a
  14. 0x887993386ba8c77165972bfd61a7626182576fdc51fd76a24fcaca885bf67d2a
  15. 0x752bb7ff1be85646eaf6af7e83e853b7b33e92ad9c57231f0b796b8997fb1076
  16. 0xcde4d0d0f64b40921f36a3f07dfe9c7256f1d0a8925aed414788c614314b871e
  17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON