← The evidence ledger
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).
- 0x9c76ed98fa5ad54813ad5dc055cbb53aa044b17785e4acc5ad68066f8c0589c0
- 0xf00734bc0224744905fc03182b095e1c93d92c38292e9241fd28ff842119d73b
- 0x6982e085b6b347c894068a22e9aa67fbbf244ee8aa1322fe6c48f97e6b988b03
- 0x1393233a38650c46e09bc0716945cfce4a3bc9716ea3f4c0cec4fde1936c5271
- 0x5f94f429826be21ccc21de816dbf8cc6e557462cfb2197f92c102d28b54ca705
- 0xe0a5ff009020bcff78ff1fbb3d756b5ff9ef163903e022569a6559ce1af9954b
- 0x4ab5f66ddef69999965fbde1224a5d939c844d3f6de0a3f63bc9018102f033e2
- 0x415dafa638248e6a0b5add668a20346cd45d887c3de04afb1ad304c3a7790f73
- 0x34ef2c0fe0b5aa2ff1eb1e0f03fdcd926a23fe6f8a178fe7f87845cae93e1bc3
- 0x55e392a749fe8acd3deb4f8eae19501f1e043191c02fc18a1fab5caabf05c0dd
- 0x4a4b7460b27353d096fad8c7820603e2d212a25fa0e24fdd0b1ce11cd6ca098c
- 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
- 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
- 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae