Evidence row 547567

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://trust402.vercel.app/api/trust/check-x402"
    ]
  ],
  "name": "trust402.vercel.app/api/trust/check-x402",
  "owner_address": "0x3f4cee4c6bad04fcca3138dffdee579ddf17049b",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x3f4CEE4c6bad04FcCA3138dFFDEE579ddf17049B",
        "scheme": "exact"
      }
    ],
    "description": "Run a fast live probe for one x402 endpoint and summarize challenge/payment-flow readiness.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "endpoint": "https://api.example.com/paid",
              "expectedPriceUsd": 0.01,
              "method": "GET"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ok": true,
              "recommendation": "test-first",
              "tool": "trust.check_x402"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "endpoint": {
                      "description": "x402 endpoint to probe without paying.",
                      "format": "uri",
                      "type": "string"
                    },
                    "expectedPriceUsd": {
                      "description": "Expected maximum price in USD.",
                      "type": "number"
                    },
                    "method": {
                      "default": "GET",
                      "enum": [
                        "GET",
                        "POST",
                        "PUT",
                        "PATCH",
                        "DELETE",
                        "HEAD"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "endpoint"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "ok": {
                      "type": "boolean"
                    },
                    "recommendation": {
                      "type": "string"
                    },
                    "tool": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "ok",
                    "tool"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T02:21:01.669Z",
    "quality": {
      "l30DaysTotalCalls": 21,
      "l30DaysUniquePayers": 13,
      "lastCalledAt": "2026-10-26T02:21:01.52Z"
    },
    "resource": "https://trust402.vercel.app/api/trust/check-x402",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Run a fast live probe for one x402 endpoint and summarize challenge/payment-flow readiness."
}

What the leaf hashes

{"body":"5d36924719bb03a043b8914fefe426953bebd082d664d985fada81dce59592e3","id":547567,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133209587997,"prev":14863,"subject":"x402_bazaar:https://trust402.vercel.app/api/trust/check-x402","subject_kind":"source_record"}

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. 0x0deafae6d2490416933f5e0c0a8486b4dbbaf0dcb0a2b3aff82975012ea104d4
2. 0x041e5111ea9b79f855229105af113bb6615563a8ef0fc528454294c38b438740
3. 0x25bf1a82d2ba9b2185aa3f3513d8aac828edbec44ca114c6ebc86729faa9eaf4
4. 0xdc5bd728d48e7704c888dde20441ae4b584a2da5f71cbeecbde8b42b8369f307
5. 0x02d1982abecbddea6b015dfa93e5055c8c27ba2effff314184349abd2440f19e
6. 0x10c382dee0b41ce7df38f9e6f4d9d30b7b5fbb93652e7ebfff79fe7b6cb287ea
7. 0x6e34ce9f9d8f8c19f6f284fa2cab2dcaa4cb3d5c5e5edbf0bfbab794bd8b90d4
8. 0xf813a614139198629ae2c12a3aa64080983f776e13f6a1f898321a02929ee4f5
9. 0x4dfef421cd10c1b2adaee8271357c15adac16c8fbd341694279da6cab9eacdf8
10. 0x52f91bfc9d94d0f1c8d8ea0517892a8a3f78f83dbe23f304fc4986a9a6a79575
11. 0x7ba6e21c9bbf8f581e5b2d1dc9bebc057d6000f8558b25b96c86ab10ee75d7cc
12. 0x7cd06df307fe3d7d57464d35c7dee68ec2e0c9035898fd7f919c08ed5fd0a5fb
13. 0xa5d3d95b495ae2191612e64fe151fe065497e5ecb73bb111e1fabb6b3628f3de
14. 0x3e0ec8a2a8a954695a9b53a4a48a7656d7e3fd6a8795c73b49e2ef05b201ec3f
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4