Evidence row 451968

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": "2026-10-19T12:19:55.365Z"
    },
    "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":"5c0394f63d510e2c7b038a7e3c8941f4b06ae365ca60b64348c7f8d5bd9780c1","id":451968,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100516843678,"prev":76848,"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. 0x75c9749f4500f9744e7ab451a846cc3c39a28df071b44f8a4f7f7b8214d45422
2. 0x50b23dd4babc2df711796de567a2687f9250ac317064a6b8a333112cfd7a9874
3. 0xfa459b7cb143a6b5fc1fbe1a758d4c69a19f77da0cbe8cb7d8461df3b0075ffc
4. 0xd3bea7f50216601a3fb357a9fd0cd442caae7cceaacfec035e2778f4bacc7e4d
5. 0x8ea445e4dcc8612fd17af75262a95532f2164e032658202b5f6655d84981ffba
6. 0xeefdd882dab726210dd62e6bcfb317a09517236554de04b062ef114b426e2174
7. 0x3fe8524cd9efe84515da8db366efec01da5a18c22ade7601510d191ed0eed563
8. 0x92b7e2cdc07da5d721a6dbf9f2bb5fab70726aa4983e6c351c5eb9656f3ecb32
9. 0xa6c4fecdc51880ffb2cf24d2fa6b9b5bf674fe4ab3595f1af4cb2fe2678e8702
10. 0x157dfd2259a87c5750dceb89479bc8f6ea383ea88875177c3af79dc5b2592f8e
11. 0x5f257f988f0c8c8a45a1094d99dd8e8969da325eabed8aa44c6b668fac04f073
12. 0x6834d22f4558c2279e3de3027a40f72cd350b3c4a2e54be57aff9ec2c9eaf01a
13. 0x4094bd5bc2ab60e4518d1ee8a13455a69d7484ea62ecdca2618d0f39d3403503
14. 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4