Evidence row 116890

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mearef.dev/v1/answers/working-days"
    ]
  ],
  "name": "Mearef - Mid-East reference data",
  "owner_address": "0x1f0409ccd20a2fb497d4decef4e17e9d0688fea6",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1F0409ccD20A2fb497d4DeCeF4E17e9d0688FeA6",
        "scheme": "exact"
      }
    ],
    "description": "Working days / next working day in a date range: weekends + gazetted public holidays",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "country": "ae",
              "from": "2026-08-01",
              "to": "2026-08-31"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "country": {
                      "description": "ISO country code",
                      "enum": [
                        "ae",
                        "bh",
                        "il",
                        "iq",
                        "jo",
                        "kw",
                        "om",
                        "qa",
                        "sa"
                      ],
                      "type": "string"
                    },
                    "from": {
                      "description": "Range start, inclusive",
                      "format": "date",
                      "type": "string"
                    },
                    "receipt": {
                      "description": "Optional. true adds an Ed25519 answer receipt on a paid 200, included in this price. Not a certified extract.",
                      "type": "boolean"
                    },
                    "subdivision": {
                      "description": "Optional. Apply a sub-national statutory holiday calendar (national + that region's days) instead of national-only. ISO 3166-2 code, e.g. 'DE-BY'. Countries that offer regions expose them as `subdivisions` on GET /:country/public-holidays. Unknown code is refused free with the list.",
                      "type": "string"
                    },
                    "to": {
                      "description": "Range end, inclusive (max 366 days)",
                      "format": "date",
                      "type": "string"
                    }
                  },
                  "required": [
                    "country",
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "caveats": {
                      "type": "array"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "next_working_day": {
                      "format": "date",
                      "type": "string"
                    },
                    "provenance": {
                      "description": "The statutory instrument the answer rests on: effective_from, last_confirmed, official source URL, notes",
                      "type": "object"
                    },
                    "public_holidays": {
                      "description": "Statutory holidays falling on weekdays in the range",
                      "type": "array"
                    },
                    "receipt": {
                      "description": "Only when receipt=true on a paid 200. kind answer_receipt. Verify at /certified/public-key.",
                      "type": "object"
                    },
                    "status": {
                      "type": "string"
                    },
                    "subdivision": {
                      "description": "The sub-national calendar applied (code, name, source, the region's added days), or null when the national calendar was used",
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "total_days": {
                      "type": "integer"
                    },
                    "weekend": {
                      "description": "This country's weekly rest days (Egypt: Fri–Sat)",
                      "type": "array"
                    },
                    "weekend_days": {
                      "type": "integer"
                    },
                    "working_days": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "status",
                    "total_days",
                    "working_days",
                    "next_working_day"
                  ],
                  "type": "object"
                },
                "type": {
                  "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/v1791989458/bazaar-icons/f7fc99e5e62a5464.png",
    "lastUpdated": "2026-10-17T10:24:36.573Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-17T10:24:35.455Z"
    },
    "resource": "https://mearef.dev/v1/answers/working-days",
    "serviceName": "Mearef - Mid-East reference data",
    "tags": [
      "working-days",
      "public-holidays",
      "calendar",
      "middle-east"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Working days / next working day in a date range: weekends + gazetted public holidays"
}

What the leaf hashes

{"body":"b0453c61bd5f638a86f22524c0550191466d4c416f690334a593aa9f49280527","id":116890,"kind":"listing","method":"baseline/1","observed_us":1793025610379697,"prev":null,"subject":"x402_bazaar:https://mearef.dev/v1/answers/working-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. 0x1ac490b92ee3b8497aa7d2b174cc64ab03df51903d47b80db50114ddc5e1fb4c
2. 0x0a2b3ca6576117e62fa8de47b99d7f19de5a86c2e32b3ef52e142a1e2966ef61
3. 0x106f47de6ceb78bea08c14b2dd1242936e3915bb63d8520708d9287d3ea8d5ee
4. 0xbdd9ff222d91a991e0812b2a36c226fb4d300eaa04eb249adaab5e6378ea3c45
5. 0x753fb947c06afb2863e748e26a5b3dccc7cda7cb5bca2c0bddd7d0f414978af0
6. 0xb2dca8f56bdd5c9b6c42fad1971ac18ecd275e277f113177bfed7904a7399dc2
7. 0x94cf0ed54baf48818e9eb784786f8eac016aa5494202d4cb437ad35435c04197
8. 0x27bf58aa69138159ed03d45b5c440d2ba1c3c3c32549384f662e2d192dda86f4
9. 0x522761010ff0a51d7a93a23a2c36ff951f83ab5736b328badc7aa1e01f3d1a08
10. 0xdd23b279d0847860786130eecc85f2b83d5c655bfd9ab282efff968c5d7bdc6d
11. 0x6a51e1d524ffd968d6f505e10f76aacd4ae61fc223a88a38ef8820592653c75a
12. 0x6a8a72430804a14ec575375f3d0ca4364f58310afb2c2e8c92b72f8b75809db9
13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae