Evidence row 76848

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": "2026-10-19T12:19:56.187Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-19T12:19:55.365Z"
    },
    "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":"b9dcc4fbfcf6e846f6b251a5c8a6a0f8765fb5aa9388b3670650984016c9c528","id":76848,"kind":"listing","method":"baseline/1","observed_us":1793025493016195,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x0f6b5ea8f05ef1a22ff5856fa89460021db85e8ebaa3fd6a38c096de298f91ea
2. 0x07015d43104b51d636f1eaf20b8cc21fbdec614cdc5ab9437f843bc08a23f3cd
3. 0x39b55e4166605b870c90e61a76944ca9a4d2f75eaa79ddbb31ff842d0d3b355c
4. 0xe30c72b8b9b8ba90dfe0e2d323a5725c41769e2fe5656a75e10224ab41556f8a
5. 0x8a158a0f881cc9c8513157eca0cb90839b07ec64afabe00381f2eacc2bdefaf4
6. 0xfade282def855ce276e9902463840b77f56fa99add79050b0f592e9298fc4989
7. 0xb60a1e23f56ceaf4851690b9e3c37013cfcd33179b61c17d1f62d1eb118ee293
8. 0x714b1de176bd15e25272c7f3f87b394a5baaed9c59597e5f6666fa69e5e8d389
9. 0xa62fb7d42a976d302df35a48f9e5ebdeb1cc52045d75ea63a532b924cb9cb599
10. 0x7c17524419b776927e27a1512dd0a7873ae1e25d826c73cb4d7489898b9a9a4e
11. 0xb8387431db70826417a9bc1c445139bee1e0c5d359e4f9e2d85832f49bafe68b
12. 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae