{
  "created_date": "2026-10-21",
  "primary_dataset": {
    "id": "2627",
    "name": "Ewidencja zabytków nieruchomych",
    "publisher": "Narodowy Instytut Dziedzictwa",
    "license": "CC-BY-4.0",
    "metadata_url": "https://api.dane.gov.pl/1.4/datasets/2627",
    "source_url": "https://api.zabytek.gov.pl/nidrestapi/api/data/geoportal/otwarteDaneZestawienieZen",
    "filter": [
      "funkcja",
      "=",
      "cmentarz żydowski"
    ],
    "as_of": "2026-09-30"
  },
  "transformations": [
    "Filtered by explicit source function cmentarz żydowski, not inferred religion from names.",
    "Renamed fields, added source links and null coordinate/access/existence status; no geocoding or facts invented.",
    "Preserved distinct NID source IDs; did not auto-merge approximate registry matches."
  ],
  "stats": {
    "records": 1023,
    "unique_source_ids": 1023,
    "records_by_voivodeship": {
      "dolnośląskie": 32,
      "kujawsko-pomorskie": 48,
      "lubelskie": 128,
      "lubuskie": 41,
      "mazowieckie": 122,
      "małopolskie": 47,
      "opolskie": 22,
      "podkarpackie": 84,
      "podlaskie": 78,
      "pomorskie": 29,
      "warmińsko-mazurskie": 42,
      "wielkopolskie": 110,
      "zachodniopomorskie": 71,
      "łódzkie": 59,
      "śląskie": 61,
      "świętokrzyskie": 49
    },
    "source_accuracy_counts": {
      "dokładny": 529,
      "przybliżony": 482,
      "nie dotyczy": 8,
      "niepewny": 4
    },
    "records_with_coordinates": 0,
    "registered_records_exact_function": 281,
    "same_address_registry_candidates": 86,
    "duplicate_administrative_addresses": 19,
    "known_full_catalogue": false,
    "note": "Counts represent source records, not a proven complete inventory of distinct cemetery sites."
  },
  "files": [
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      "path": "cemeteries.nid-2026-09-30.json",
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      "sha256": "d50aab5343657db1ca7abe6f7c9b5d3ccc6f476a4813d626555e934c31577c53"
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      "path": "cemeteries.nid-2026-09-30.csv",
      "bytes": 724701,
      "sha256": "90c22edb8363248b9c2b266df5bd12e486df061c9ac3c7e149cad45467f14788"
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    {
      "path": "nid-zen-jewish.json",
      "bytes": 441382,
      "sha256": "dad60c44dc77def350f644b4a71f2c96bef66224bf33eca2ef55212a65604caf"
    },
    {
      "path": "dane-ewidencja2627.response",
      "bytes": 4286,
      "sha256": "a12ca8c1339ad136f5676565e6f4f8d16b4aa536aaf5b06cfbebf3adc55d4281"
    },
    {
      "path": "dane-ewidencja-resources.response",
      "bytes": 8033,
      "sha256": "429e4aeec8bbdfafe22233a220ba4bae6953bfdfc6573b8d62cd78df39e41af5"
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  ],
  "source_url_verification": {
    "sample_size": 3,
    "all_expected_ids_returned": true,
    "file": "per-record-url-verification.json"
  }
}