{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.nasa-ads-api",
  "version": "1.0.0",
  "title": "NASA ADS API boundary",
  "summary": "Official-source access, authentication, request-shaping, freshness, legal, and interpretation boundaries for NASA ADS API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.nasa.ads-api.access",
        "statement": "NASA Astrophysics Data System documents astronomy and physics bibliographic search, records, citations, references, metrics, and exports.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nasa.ads-api"
        ]
      },
      {
        "id": "fact.nasa.ads-api.authentication",
        "statement": "Requests require an ADS API token that must remain secret; access does not grant record editing, publication, peer-review, or author identity authority.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nasa.ads-api"
        ]
      },
      {
        "id": "fact.nasa.ads-api.request",
        "statement": "Clients must bind query syntax, fields, sort, rows, pagination, export format, and rate limits.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nasa.ads-api"
        ]
      },
      {
        "id": "fact.nasa.ads-api.boundary",
        "statement": "Indexed metadata and citation links can be incomplete, merged, delayed, or revised and do not prove scientific validity, priority, identity, or impact.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nasa.ads-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/nasa-ads-api.json",
  "contentHash": "sha256:2ac7679342d5574c2c2a347707a4e2c78fed9cf706451fac3b71c9cc02ab582a",
  "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/nasa-ads-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.nasa.ads-api",
        "url": "https://ui.adsabs.harvard.edu/help/api/",
        "title": "NASA ADS API documentation",
        "publisher": "NASA Astrophysics Data System",
        "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://ui.adsabs.harvard.edu/help/api/",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.nasa.ads-api",
      "type": "source-claim",
      "url": "https://ui.adsabs.harvard.edu/help/api/",
      "observedAt": "2026-08-28T18:03:05Z"
    }
  ]
}