Evidence row 60514

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://402timezones.vercel.app/api/convert-timezone"
    ]
  ],
  "name": "Timezone Converter",
  "owner_address": "0xba667287b8ef89565f8fd7acd4d22ce98e0f39cd",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xbA667287B8Ef89565F8fD7AcD4d22Ce98E0f39cd",
        "scheme": "exact"
      }
    ],
    "description": "Convert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "from": "America/New_York",
              "time": "2026-07-04T15:30",
              "to": "Asia/Tokyo"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "result": {
                "from": {
                  "localTime": "2026-07-04T15:30:00",
                  "offset": "-04:00",
                  "timeZone": "America/New_York"
                },
                "to": {
                  "localTime": "2026-07-05T04:30:00",
                  "offset": "+09:00",
                  "timeZone": "Asia/Tokyo"
                },
                "utc": "2026-07-04T19:30:00.000Z"
              },
              "service": "Timezone Converter"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "from": {
                      "description": "Source IANA time zone",
                      "type": "string"
                    },
                    "time": {
                      "description": "Wall-clock time in the source zone, or 'now' (optional)",
                      "type": "string"
                    },
                    "to": {
                      "description": "Target IANA time zone",
                      "type": "string"
                    }
                  },
                  "required": [
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_zr9oznjo"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-07T04:30:29.323Z",
    "quality": {
      "l30DaysTotalCalls": 13,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-07T04:30:29.171Z"
    },
    "resource": "https://402timezones.vercel.app/api/convert-timezone",
    "serviceName": "Timezone Converter",
    "tags": [
      "time",
      "timezone",
      "utility",
      "datetime",
      "converter"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base."
}

What the leaf hashes

{"body":"3d644a3ec794127ea23ec1a7559a10b465d8baa8e904c3f30115d12dfe6f76c0","id":60514,"kind":"listing","method":"baseline/1","observed_us":1793025448916274,"prev":null,"subject":"x402_bazaar:https://402timezones.vercel.app/api/convert-timezone","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x171d6b30662418dfa50df547359dadefc981af8c93c793f45111da73cf170a26
2. 0x0ac0e29151645179d01c3347c5677b56604bad635da3af4829e311cafdd1dfa8
3. 0x8aabd5100784dca54522904f8c8022b44306e6b4218654a7607a00820e93aa58
4. 0x836ae455b2af6d5bc89b19b43379165e4466a33828af5a6b0ae8064b1504068c
5. 0x38ca15523d06823e9f6031b3b06bed7d525dec7a6e117dd21b1bc9ea883b6d91
6. 0x26d81b6a182b68cd565c526921f6e51c49bf8bf6406c3b9e9f64008919dbf7c9
7. 0x7f9442ccaec9a695a641eb634709c8e5cc543920c3a0eaf87fd0ae35bdec8e82
8. 0xfa5fd26bf9907ed60f1d8e247ca354a1cfe190aa9b8764451a7a770eb4e45005
9. 0x858bb23b8f30ede90cb078260507e237f0caba12169c3894f43372734660e143
10. 0xd226fb22436e571794e0a32680a8d7a815d452f9ddba81af492daddbec0de485
11. 0x1ff0b13d2481c9da18eda22ffeb00b1ce27c383301867cb629c19e9a2e4b869a
12. 0x856fd0d049baa5f07cd2d5d524b40c994bed22cb46ea15af4cc075b3f3f3d444
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae