{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.ecmwf-open-data",
  "version": "1.0.0",
  "title": "ECMWF Open Data boundary",
  "summary": "Official-source access, authentication, request-shaping, freshness, legal, and interpretation boundaries for ECMWF Open Data.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.ecmwf.open-data.access",
        "statement": "European Centre for Medium-Range Weather Forecasts documents selected real-time forecast fields, model runs, parameters, levels, steps, and GRIB files.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.ecmwf.open-data"
        ]
      },
      {
        "id": "fact.ecmwf.open-data.authentication",
        "statement": "Open-data retrieval does not grant forecast issuance, model operation, restricted dataset access, warning, or ECMWF representation authority.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.ecmwf.open-data"
        ]
      },
      {
        "id": "fact.ecmwf.open-data.request",
        "statement": "Clients must bind model, run time, stream, type, parameter, level, forecast step, file pattern, and update schedule.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.ecmwf.open-data"
        ]
      },
      {
        "id": "fact.ecmwf.open-data.boundary",
        "statement": "Numerical forecasts have resolution, initialization, ensemble, latency, and uncertainty limits and do not replace official warnings or local safety decisions.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.ecmwf.open-data"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/ecmwf-open-data.json",
  "contentHash": "sha256:41b995ee65328da6f2fcc87a87942915953ca445b78b9cebd248fb06bcaa63a7",
  "owner": {
    "id": "platos-kallipolis",
    "name": "Plato's Kallipolis",
    "type": "organization",
    "accountabilityUrl": "https://platoskallipolis.com/about"
  },
  "access": {
    "mode": "public",
    "url": "https://platoskallipolis.com/resources/public-data-apis/ecmwf-open-data.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.ecmwf.open-data",
        "url": "https://www.ecmwf.int/en/forecasts/datasets/open-data",
        "title": "ECMWF Open Data documentation",
        "publisher": "European Centre for Medium-Range Weather Forecasts",
        "observedAt": "2026-08-28T18:03:05Z"
      }
    ]
  },
  "observedAt": "2026-08-28T18:03:05Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-04T18:03:05Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://www.ecmwf.int/en/forecasts/datasets/open-data",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.ecmwf.open-data",
      "type": "source-claim",
      "url": "https://www.ecmwf.int/en/forecasts/datasets/open-data",
      "observedAt": "2026-08-28T18:03:05Z"
    }
  ]
}
