Evidence row 119452

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/calendar/business-days"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:business-days",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:business-days",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:business-days",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:datadesk:business-days",
          "reference": "38PdvN6D1yTBN3g4JKD9g8n9YVW1TU7qucTEHPsNQHFP",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpidXNpbmVzcy1kYXlzIiwicmVmZXJlbmNlIjoiMzhQZHZONkQxeVRCTjNnNEpLRDlnOG45WVZXMVRVN3F1Y1RFSFBzTlFIRlAiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQxNjUyNTAxNn0.ErwWnkqpmygBX8oGBI-kZb7-a9dFFveo_L3kzQigmJc"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:datadesk:business-days",
          "reference": "89WtRugMVRnPk1Yv1twCPUGiWkyvwPhuGaAVwCiMpSF7",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpidXNpbmVzcy1kYXlzIiwicmVmZXJlbmNlIjoiODlXdFJ1Z01WUm5QazFZdjF0d0NQVUdpV2t5dndQaHVHYUFWd0NpTXBTRjciLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQxNjUyNTAxNn0.WHKO09jd_aNhZMFGdHVpEn1YEePBjd7Sle5_atuGWbE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92108",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:business-days",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "94957",
          "reference": "Ly3HhLvihR2V2DWUUuQeyE5Zm9GdvDjsnjFU42EGNvX",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpidXNpbmVzcy1kYXlzIiwicmVmZXJlbmNlIjoiTHkzSGhMdmloUjJWMkRXVVV1UWV5RTVabTlHZHZEanNuakZVNDJFR052WCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MjEwOCwiZXhwIjoxNzkyNDE2NTI1MDE2fQ.4x6OW3A2XZjQtgJtO6bo-HvJDIFF53VaJP7PxEUaItk",
          "solUsdPrice": 105.31
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Count business days between two dates excluding weekends and optionally national public holidays for a country, with the next working day after the end",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "country": "US",
              "end": "2026-12-31",
              "start": "2026-12-01"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "business_days": 22,
              "calendar_days": 31,
              "country": "US",
              "end": "2026-12-31",
              "holiday_days_on_weekdays": 1,
              "holidays_skipped": [
                {
                  "date": "2026-12-25",
                  "name": "Christmas Day"
                }
              ],
              "include_end_date": true,
              "next_business_day_after_end": "2027-01-01",
              "note": "Weekends are Saturday and Sunday; national (non-regional) public holidays come from Nager.Date, so regional holidays are not excluded.",
              "source": "Nager.Date public holidays",
              "start": "2026-12-01",
              "weekend_days": 8
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "country": {
                      "description": "optional 2-letter country code for public holidays",
                      "type": "string"
                    },
                    "end": {
                      "description": "YYYY-MM-DD",
                      "type": "string"
                    },
                    "start": {
                      "description": "YYYY-MM-DD",
                      "type": "string"
                    }
                  },
                  "required": [
                    "start",
                    "end"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "business_days": {
                      "description": "Number of business days",
                      "type": "number"
                    },
                    "calendar_days": {
                      "description": "Calendar days",
                      "type": "number"
                    },
                    "country": {
                      "description": "Country name",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "end": {
                      "description": "Last date of the range",
                      "type": "string"
                    },
                    "holiday_days_on_weekdays": {
                      "description": "Holiday days on weekdays",
                      "type": "number"
                    },
                    "holidays_skipped": {
                      "description": "Holidays skipped",
                      "type": "array"
                    },
                    "include_end_date": {
                      "description": "Include end date",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "next_business_day_after_end": {
                      "description": "Next business day after end",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "note": {
                      "description": "Caveat or context for reading the result",
                      "type": "string"
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": "string"
                    },
                    "start": {
                      "description": "First date of the range",
                      "type": "string"
                    },
                    "weekend_days": {
                      "description": "Weekend days",
                      "type": "number"
                    }
                  },
                  "required": [
                    "start",
                    "end",
                    "business_days"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-19T13:26:45.063Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T13:26:44.832Z"
    },
    "resource": "https://saylorinnovations.com/api/calendar/business-days",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "how many working days between",
      "business days in december",
      "working days until a deadline",
      "count weekdays with us holidays",
      "next business day after a date"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Count business days between two dates excluding weekends and optionally national public holidays for a country, with the next working day after the end"
}

What the leaf hashes

{"body":"b444420ec29499cd0ac978ab7e2b36cbec7ccc8ebc5cc9721934234c15367890","id":119452,"kind":"listing","method":"baseline/1","observed_us":1793025615626653,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/calendar/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. 0x584546068d36985386d775adae54b3bfe65f7279ee62f5065a18a9329f075a55
2. 0x1f2bf4b2407aca2be2430a241a320ea1a87aaf8adf3fbe990259dd3967f5e3c9
3. 0x60b4727bbc70230bf301921b9b0f64188a2733e0923fa1c2f93cf4b571880c1e
4. 0xd15f0af0b84edafb2e9afee250cbf387423bdbb3f6842014c8f445ad457a0ecf
5. 0x73a07f13fcbcdfb05d9e7c8acd0c03b4c5e4e4b219e098535bc503498679b290
6. 0x2542883f16185a42f36d215c0900f70fe9330c9380bc7430d72267b671057fcd
7. 0x12d307319fa7a8bfcd1cbfe3e59b851e96b4910f5f9690ff50cb3f521a59a1c3
8. 0x96bb9ca724aa420578ebb1c48b7544b016bc44d7d61700fc48ec39aa48934b3b
9. 0x269b9096d0604ea79f487040804f7794785a2c21c4b2755a2a58fd0bab2d5376
10. 0x7ae162dcc3142c20e9800f624edcd459f9a47b7db25601e5e24164992c46399a
11. 0x86f49d35fee840c62060e3a6cbc75237dbfdc70dd7439506d3f085c9cca8e4f2
12. 0x01ecb94c2efbfb8e9050ebbd813fbba80bbcbc345f98de707345bc4bc88c94e8
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae