{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.opensky-network-api",
  "version": "1.0.0",
  "title": "OpenSky Network REST API boundary",
  "summary": "Official-source access, authentication, request-shaping, freshness, legal, and interpretation boundaries for OpenSky Network REST API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.opensky.network-api.access",
        "statement": "OpenSky Network documents aircraft state vectors, flights, tracks, arrivals, departures, and sensor-derived metadata.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.opensky.network-api"
        ]
      },
      {
        "id": "fact.opensky.network-api.authentication",
        "statement": "Anonymous and authenticated limits differ; credentials must remain secret, and access does not grant air-traffic, aircraft, identity, tracking, or safety authority.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.opensky.network-api"
        ]
      },
      {
        "id": "fact.opensky.network-api.request",
        "statement": "Clients must bind time, airport, aircraft ICAO address, geographic bounds, category, paging, authentication, and rate limits.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.opensky.network-api"
        ]
      },
      {
        "id": "fact.opensky.network-api.boundary",
        "statement": "Crowdsourced surveillance coverage can be incomplete, delayed, erroneous, or privacy-limited and does not prove identity, ownership, flight legality, or navigation safety.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.opensky.network-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/opensky-network-api.json",
  "contentHash": "sha256:004740a15dca358a99e8a3f44a728852bfffbd3fcd3ae6ec2e7c769d9ba8937b",
  "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/opensky-network-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.opensky.network-api",
        "url": "https://openskynetwork.github.io/opensky-api/",
        "title": "OpenSky Network REST API documentation",
        "publisher": "OpenSky Network",
        "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://openskynetwork.github.io/opensky-api/",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.opensky.network-api",
      "type": "source-claim",
      "url": "https://openskynetwork.github.io/opensky-api/",
      "observedAt": "2026-08-28T18:03:05Z"
    }
  ]
}