{
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  "boardName": "Punjab (historical)",
  "boardFull": "Punjab Textbook Board, Lahore — historical editions",
  "class": "5",
  "classSort": 5,
  "subject": "Social Studies",
  "medium": "Urdu",
  "pages": 136,
  "sizeMB": 22.9,
  "textTier": "scanned",
  "producer": "PDFTron PDFNet; V6.94693?",
  "file": "ptb-historic/class-5/social-studies-5-ur.pdf",
  "year": null,
  "acquired": "2026-08-23",
  "sha256": "dec06359e7a5df67da6a95dd7cce7437a53c14a43cfcc3fd45e25229289f9e0d",
  "title": "معاشرتی علوم پانچویں جماعت / Muasharati Ulum for Class V",
  "sourceUrl": "https://archive.org/download/5th-s.studies-1995-compressed/5th%20s.studies%201995_compressed.pdf",
  "scores": {},
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  "curriculum": "Historical PTB edition",
  "edition": "see year",
  "editionNote": "Pre-2006 curriculum era; imprint year from the scan where recorded",
  "note": null,
  "_license": "CC BY 4.0 — attribute to the Textbook Evidence Project.",
  "_note": "Scores are measured properties of text, not verdicts. Read /method/ before using them.",
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