Evidence row 566853

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Unpaid probe of a public https URL for x402 payment requirements ($0.005 USDC). Never pays. Returns HTTP status, latency, whether 402/payment-requirements parse, networks, min price, schema flag. https only; caps ~12s, 200KB, 5 redirects. Factual only; as is, no guarantee. Not a rating or certification. Provided as is, with no warranty or guarantee of accuracy or fitness. Nothing is stored.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "method": {
            "description": "Optional HTTP method: GET (default) or POST.",
            "type": "string"
          },
          "url": {
            "description": "https URL of an x402 resource or MCP origin to probe unpaid. http/file/data/localhost/private IPs rejected.",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "x402-probe"
    }
  ]
}

What the leaf hashes

{"body":"42fc8003234e0a94f55e796228dcc4d86d565fa664a6d6acd1c527eefde2493a","id":566853,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138554727223,"prev":null,"subject":"4f4ec661-328b-438f-935d-fdb0ff510cab","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. 0x351f87c41f44de3fb34faa8285a53b60663895fa0d3b7a5674b0d9c44381e761
2. 0x66b1586b48e5af2b34fabb988ee3544a371d596f3906a30bf364fc4f922dfb14
3. 0xeeed9003d29459cd69dfac2e2be0cc0427dd1b8928805924e3a0d0068af49509
4. 0x082e59ffa979d0cbfcccde7854f222f06553f2f5b7d452ebf914a6f10c6062cf
5. 0xd3a19864178483b82f733a69ed97c634d0534d8d6369f73a5ccf2d7447e6d1e9
6. 0x47cbefda2d228292922c5f878bd7694519466ded187e06a79d3ea8e3fff92616
7. 0x1633bd2fc9d12ca33357b50bb712ac2f84fc568651a55307e633b77b6bf671dc
8. 0x8961a2ec04a2dde78d1865bbb4ae2fcfb4690f798f4ef7344c56bc536c4508fc
9. 0xc152073caced4e5a995d003163abcd64f3b1154b53248c267422ce29d71ffac3
10. 0x45034b1f6c5ebc39680cf8c4851196837680a23fba48314336cce947015fb3a8
11. 0x7d16ca26502bd3cffc15f5f1d96c750b48f891e77865e69e164c7296932a66f7
12. 0x0491d1aef43a95c6e235bd50f122c12c8c56196bb71b329f055061f0e9ee7115
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4