Evidence row 2632445

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": "2026-11-02T03:23:46.489Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-02T03:23:46.339Z"
    },
    "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":"2de910a5c64e965606aab996400cb8986c7466176591e3417d2093430e7c6fd3","id":2632445,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734382224465,"prev":2199316,"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 2026-11-03 (425475 rows).

1. 0xb4d28bfcb41e90a0fe84b5b43ad4f048db37acccaf3470b4b4a53bacd2987866
2. 0x18afe5cf20f72954f62c808aa48e418a5a6a2cd5a3867019d97760f7d9ac9e81
3. 0x22d9dd01a7ff13a1ba6e7d6bd649666d9153d32bcab564e37b175c66a151e3ed
4. 0x84c846e058c2965fbaee345d1c3fd9911a305afdb1274ac3373951e91e64d709
5. 0xb867786cdd121641d872961478087e54baef9c52cf7bcab0eacd8cf4b1a6b5a7
6. 0x209a0b1ac0eccaf2bcd70c41261f7d053156631246862971782ddfc8632d33a0
7. 0xee57700298cb692e3dd389567633f8d77dd273b74a49e74c205e344d0d1baa78
8. 0x248443cd597482d10c29a9d7d12913628da2da20df224e58c5ce3bcd93f1a690
9. 0xa5bc3e82f9b655b7be1270cb32be562c621426daf3f53cc40e39fc3d71297dd9
10. 0x7d838524ae408369ec89ece517cae41ff6d78a38d5c08770789f9fdcc7ab53f1
11. 0x213f2d17466874a0900371521fc8276b5b5ce7c69723df9663e06ac2849e8713
12. 0x007ad4f9268ae223334ac043ba8869550520e010b202e7ea881bc3f7d4f0e38e
13. 0x21bb4f528bdd235a77e2f1802b439572aadfc1f1e65d2605dfa0bdcb481e4d28
14. 0x1114468556630d3a65d038b1ce5fa0e558d58422878e6b91ce8c3b87e06fafef
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7