{
  "dataset_version": "Immutable dataset version",
  "event": "Lok Sabha election event, not Assembly election",
  "assembly_segment": "Assembly segment number",
  "booth_id": "Event-scoped source booth identifier",
  "station_name": "Source-native station label; original spelling preserved",
  "option_ordinal": "Source column order, 9 is NOTA",
  "candidate_name_hi": "Source Hindi candidate label; no person identity inference",
  "party_source": "Party code printed in source; NOTA is not a party",
  "votes": "Integer votes credited at this polling station; zero is an observed value",
  "source_page": "One-based original PDF page",
  "source_column": "One-based original source table column",
  "source_sha256": "SHA-256 of original source bytes"
}