Evidence row 566885

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Fetch a public https URL and extract HTML head metadata ($0.005 USDC via x402). https only — http, file, data, localhost, and private IPs are rejected. Caps: 1 MB body, ~10s timeout, max 5 redirects. Returns JSON { url, final_url, content_type, title?, description?, canonical?, lang?, open_graph, twitter, warnings }. Provided as is, with no warranty or guarantee of accuracy or fitness. Nothing is stored.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "url": {
            "description": "https URL to fetch and extract HTML head metadata from. http/file/data/localhost/private IPs rejected.",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "url-metadata"
    }
  ]
}

What the leaf hashes

{"body":"95bb95019e36afabbaf075c904c3ca67d942ece7a2b7a22bed64914234d46f34","id":566885,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138558443469,"prev":null,"subject":"20f6fb03-3aa9-4cb0-9115-52d8702a435a","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x0586f934c8d8c8c3f507de158818d2ad7bebed9856a607648ce372a3b7115e7e
2. 0xacbd3edaf70c89e4d1fbba5c2de0af5f7614c260540afeff0c2bccd7a7fcbb2b
3. 0x0ca2c404a34b5514afebbf200b5d6893560e2d1d9ad92db3a7f4c4a138d15386
4. 0x94079080520b042cdb5673e9747b8106c589a28fd67406c6d42fea820ddd7a65
5. 0xfee90907ecabed11e3edb6dd2708e08afe0cbf8e2cfdba9a3312bbdd62efa9e1
6. 0xf7b12b219347e34eb81dc0c93802d5c0ad991350de570c453b7d0ba09e0e5fba
7. 0x5292150b7c9a78a10f9f751e34e5536e647816eb517fb21c2ebafda52bdad6d2
8. 0x4e463efd4b44b459c04a1cc0573bdbf91461c8d2ac34f71398e86cb1db075960
9. 0x1b81879bd19f0a548b0712e40ae8bfdc26f0f190b97f7e3443d92baa47402191
10. 0xb27ac0d01327baad8d269ce2b075ef31dd979ff9449edcae844018feed87c9f6
11. 0xe9db0158b4c259b87fc427fe2d76b9a481e59053039dd07a06261cfea061d5f8
12. 0x6d7e35c9db9477d49c0dca0654b8a6378e19a394f96efba2061b6ef0ea5355fe
13. 0x7e8c79bd0dee073006d03de64eaf1047d3bfd30041ac4fc765479ffd5a092e62
14. 0x29e12cb67839430fa64ab8bd05d52bab606f2978d9e6d2fb094fece9438fd4de
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4