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Evidence row 117719

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://opendata402.com/v1/school-holidays/nl
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5b5c7fae2b5aca44fc1d8d89043d60ee00f4e9feeb80988c0cd0de4e4432f9b3
Leaf
0x9c77123d33464faaaeee836996fd2346c7e23eee9e6fbe814cef27e5261d4cfc

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://opendata402.com/v1/school-holidays/nl"
    ]
  ],
  "name": "opendata402",
  "owner_address": "0x295aa6c5a3460a0f8755823c8ee7bbc7caf79fb1",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:8453",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:137",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:42161",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      }
    ],
    "description": "Official Dutch school holiday dates per school year and region (north, middle, south) from the Dutch central government: autumn, Christmas, spring, May and summer holidays with start and end dates. Use it for travel, staffing, pricing or scheduling around Dutch school breaks.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "schoolyear": "2026-2027"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "schoolyears": [
                {
                  "holidays": [
                    {
                      "compulsory": false,
                      "name": "Herfstvakantie",
                      "regions": [
                        {
                          "end": "2026-10-25",
                          "region": "noord",
                          "start": "2026-10-17"
                        }
                      ]
                    }
                  ],
                  "schoolyear": "2026-2027"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "schoolyear": {
                      "description": "e.g. 2026-2027; empty = all published years.",
                      "pattern": "^\\d{4}-\\d{4}$",
                      "type": "string"
                    }
                  },
                  "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": "2026-10-25T22:03:30.962Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T22:03:30.526Z"
    },
    "resource": "https://opendata402.com/v1/school-holidays/nl",
    "serviceName": "opendata402",
    "tags": [
      "school-holidays",
      "netherlands",
      "calendar",
      "travel",
      "government"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Official Dutch school holiday dates per school year and region (north, middle, south) from the Dutch central government: autumn, Christmas, spring, May and summer holidays with start and end dates. Use it for travel, staffing, pricing or scheduling around Dutch school breaks."
}

What the leaf hashes

{"body":"5b5c7fae2b5aca44fc1d8d89043d60ee00f4e9feeb80988c0cd0de4e4432f9b3","id":117719,"kind":"listing","method":"baseline/1","observed_us":1793025611817423,"prev":null,"subject":"x402_bazaar:https://opendata402.com/v1/school-holidays/nl","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x9c76ed98fa5ad54813ad5dc055cbb53aa044b17785e4acc5ad68066f8c0589c0
  2. 0xf00734bc0224744905fc03182b095e1c93d92c38292e9241fd28ff842119d73b
  3. 0x6982e085b6b347c894068a22e9aa67fbbf244ee8aa1322fe6c48f97e6b988b03
  4. 0x1393233a38650c46e09bc0716945cfce4a3bc9716ea3f4c0cec4fde1936c5271
  5. 0x5f94f429826be21ccc21de816dbf8cc6e557462cfb2197f92c102d28b54ca705
  6. 0xe0a5ff009020bcff78ff1fbb3d756b5ff9ef163903e022569a6559ce1af9954b
  7. 0x4ab5f66ddef69999965fbde1224a5d939c844d3f6de0a3f63bc9018102f033e2
  8. 0x415dafa638248e6a0b5add668a20346cd45d887c3de04afb1ad304c3a7790f73
  9. 0x34ef2c0fe0b5aa2ff1eb1e0f03fdcd926a23fe6f8a178fe7f87845cae93e1bc3
  10. 0x55e392a749fe8acd3deb4f8eae19501f1e043191c02fc18a1fab5caabf05c0dd
  11. 0x4a4b7460b27353d096fad8c7820603e2d212a25fa0e24fdd0b1ce11cd6ca098c
  12. 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
  13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
  14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
  15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON