Evidence row 547103

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://japan-business-day-api.matchan962.workers.dev/v1/add-business-days"
    ]
  ],
  "name": "Japan Business Day API",
  "owner_address": "0x1d813e4e4c7b0ae7900a6d2b6bca560941102859",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1d813e4e4C7B0ae7900a6d2b6bcA560941102859",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1d813e4e4C7B0ae7900a6d2b6bcA560941102859",
        "scheme": "exact"
      }
    ],
    "description": "Add or subtract N Japanese business days from a date (e.g. settlement date T+2, delivery ETA). Skips weekends and national holidays; optional bank calendar.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "calendar": "bank",
              "date": "2026-12-28",
              "days": 3
            },
            "type": "http"
          },
          "output": {
            "example": {
              "calendar": "bank",
              "date": "2026-12-28",
              "days": 3,
              "result": "2027-01-04"
            },
            "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"
                    },
                    "days": {
                      "maximum": 366,
                      "minimum": -366,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "date",
                    "days"
                  ],
                  "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": "2026-10-27T10:09:13.783Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T10:09:13.637Z"
    },
    "resource": "https://japan-business-day-api.matchan962.workers.dev/v1/add-business-days",
    "serviceName": "Japan Business Day API",
    "tags": [
      "japan",
      "business-day",
      "holiday",
      "fintech",
      "logistics"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Add or subtract N Japanese business days from a date (e.g. settlement date T+2, delivery ETA). Skips weekends and national holidays; optional bank calendar."
}

What the leaf hashes

{"body":"6ba75a368151529e9ebd999d72639f3bf9efebdd887c710e9afd729f963fb4f5","id":547103,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133173838498,"prev":526903,"subject":"x402_bazaar:https://japan-business-day-api.matchan962.workers.dev/v1/add-business-days","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. 0xf8aeb0705627ebfcc3411b9ced5b494bcca54f9fd8a1a860c0e9f77e39bb6254
2. 0x81e4a5fd96f72a27d05b8f12198ee726224e39a3ea3db3776a6d6ccc78f23a0c
3. 0x68b7f4443389aa785eff1f848db3c313cd57b2043d93a33cb2cba33b9cf4cfba
4. 0xaaab8375956dde93025b46d6b8098341d40e922053ab4884ea84704d67d84e45
5. 0xe4c328a667995c410df8b52e9c7403a71717fc7343d781cf7665eeb4dc3f596a
6. 0x681eb91dbb3a685ec64cfef86b9d8cb2fec102144d9f956f547a582736ef585b
7. 0x08eb8c2855b60a11f2406b59c6e1dfec82dcb5f298ba87f5cd4ce10487facf24
8. 0x92344f16cfd8c9d9b6fd290143eca455d624f13b064d900d2ec0ecd4e3435332
9. 0x7bdc6728d03a32e736e557a5ee004cf5fb20c4956608d38ca438e03159995b33
10. 0x56dcd9d0921c2081b345026c0b20180a1e39cdbf19a2af10908dfa42d8de7784
11. 0x0910ffa4c5b68bfeab876c95d437a268cbe3ce3065ac289e0ccc44dd931c928a
12. 0x3d6ce9e9447d644baa93c05c5ec0a44778000bfa82e0208f4a0086c782198964
13. 0x2cba9be288dab78cb9c5f54fa13242712b2493da9f833a7c3cdd92cde60662b0
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4