{
  "id": "crete-coast-samples",
  "label": "Crete coastline",
  "kind": "derived",
  "application": "Coastline sampling",
  "question": "Compare queries inside and outside a narrow loop. The coastline is not a barrier.",
  "description": "160 equal-arc samples interpolated after projection from a 390-vertex cartographic line. These are derived positions, not 160 field observations. Snapshot version differs from the website label.",
  "source": {
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    "url": "https://www.naturalearthdata.com/downloads/10m-physical-vectors/10m-coastline/",
    "license": "Public domain",
    "licenseUrl": "https://www.naturalearthdata.com/about/terms-of-use/",
    "attribution": "Derived from Natural Earth coastline. Downloaded archive labels its version 5.0.0-pre9.",
    "retrievedUTC": "2026-10-05T01:37:38.156800+00:00",
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    "jitter": false
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