Evidence row 451983

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://japan-business-day-api.matchan962.workers.dev/v1/is-business-day"
    ]
  ],
  "name": "Japan Business Day API",
  "owner_address": "0x1d813e4e4c7b0ae7900a6d2b6bca560941102859",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1d813e4e4C7B0ae7900a6d2b6bcA560941102859",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1d813e4e4C7B0ae7900a6d2b6bcA560941102859",
        "scheme": "exact"
      }
    ],
    "description": "Is a given date a business day in Japan? Returns weekday/holiday status, official holiday name (JA/EN) and next/previous business day. Source: Cabinet Office of Japan.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "calendar": "national",
              "date": "2026-11-03"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "date": "2026-11-03",
              "dayOfWeek": "Tuesday",
              "holidayName": "文化の日",
              "holidayNameEn": "Culture Day",
              "isBusinessDay": false,
              "isHoliday": true,
              "nextBusinessDay": "2026-11-04"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "calendar": {
                      "description": "national = weekends + Japanese national holidays; bank = also Dec 31 - Jan 3 (bank holidays)",
                      "enum": [
                        "national",
                        "bank"
                      ],
                      "type": "string"
                    },
                    "date": {
                      "format": "date",
                      "type": "string"
                    }
                  },
                  "required": [
                    "date"
                  ],
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:08:26.612Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-15T07:29:24.78Z"
    },
    "resource": "https://japan-business-day-api.matchan962.workers.dev/v1/is-business-day",
    "serviceName": "Japan Business Day API",
    "tags": [
      "japan",
      "business-day",
      "holiday",
      "fintech",
      "logistics"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Is a given date a business day in Japan? Returns weekday/holiday status, official holiday name (JA/EN) and next/previous business day. Source: Cabinet Office of Japan."
}

What the leaf hashes

{"body":"ed4084dbe2892a21622f408c4ae7890b8643fb74b6538a0fb634aa55e910b0f7","id":451983,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100516877880,"prev":76851,"subject":"x402_bazaar:https://japan-business-day-api.matchan962.workers.dev/v1/is-business-day","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. 0xa9b3cdda66949184e2c432f8b4acf20ffb8bbd9ea9a6129c7e1471d187304f10
2. 0x32c7d551aeb1ad4751fde002f7c816441e1ee74919413ba49e00ae47752fe779
3. 0x979e82b8cf0dc1af0dcd983931333bb56c27878ffa324dbb2b66ba68e1e12384
4. 0x883bb7a901e38af03a2e36a1b7da92e43736737d06204f273b9df0e629a4adc2
5. 0x05b8e452b1fd8921a5fe7fb04cfb2fe1ccbf270a3f32b90e4e082031e48ff799
6. 0x8c5d604b9a9b94ab2dc5d5571b460c11a36305f8e775dc224b34020ae2573715
7. 0x9348d58239c7cc02237cd7d864102419545c9fff95effd9014a2b9b59f82f959
8. 0x94f12b88693752f7c63d0bb663e8f290d01d624594c4b87c34e8546600511157
9. 0x9e0cd50bab40589d5c3f7030630dbf089f8dd78283bfa0dab03fb9025ccbc2ca
10. 0x3466d9f1e31dbdede2329b2c4dc10b270dcded0105bcbe659412818a11723341
11. 0x324d1c483a7a3f90b87e666635af8af905bde0bcef0945e9f29ca54a05110160
12. 0x209c5ec9dadef949213746eeb17aaa8b9acf049b484430fc0bc152ee10f2e007
13. 0x5e700087f2a5e8fb7372f2c2db037d66942006d666bb45dd92f745011295fa7b
14. 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4