[
  {
    "id": "FACT-022",
    "category": "Construction",
    "claim": "Electronics cost share",
    "value": "Nearly 30 percent of each ship cost",
    "source_filename": "Total res_0002.pdf",
    "article_page": 2,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "contemporary program statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Approximation attributed to Ingalls."
  },
  {
    "id": "FACT-023",
    "category": "Construction",
    "claim": "Initial computer testing and software development",
    "value": "Command and Control Shore Station, Southern California",
    "source_filename": "Total res_0002.pdf",
    "article_page": 2,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "facility statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Exact address and collection custodian unresolved."
  },
  {
    "id": "FACT-024",
    "category": "Construction",
    "claim": "Final integrated electronics testing",
    "value": "Land Based Test Facility, Pascagoula shipyard",
    "source_filename": "Total res_0002.pdf",
    "article_page": 2,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "facility statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Simulated combat conditions before shipboard installation."
  },
  {
    "id": "FACT-025",
    "category": "Construction",
    "claim": "Electronics installation method",
    "value": "Components remain assembled on steel platen for installation as one unit",
    "source_filename": "Total res_0002.pdf",
    "article_page": 2,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "process statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Do not imply the entire combat system was a single monolithic module."
  },
  {
    "id": "FACT-026",
    "category": "Construction",
    "claim": "Test facility capacity",
    "value": "Complete electronics systems for three ships concurrently at peak",
    "source_filename": "Total res_0002.pdf",
    "article_page": 2,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "capacity claim",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Capacity is not evidence of actual simultaneous occupancy."
  },
  {
    "id": "FACT-027",
    "category": "Construction",
    "claim": "Logistics responsibilities",
    "value": "Maintenance manuals, spare parts, crew sizing, officer and enlisted training",
    "source_filename": "Total res_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "process statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Specific manual titles and accession identifiers remain to be found."
  },
  {
    "id": "FACT-028",
    "category": "Construction",
    "claim": "Technical milestones",
    "value": "14 total; first 12 expected completed by launch on or ahead of schedule",
    "source_filename": "Total res_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "promotional program statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Statement is prospective at publication; independently verify milestone acceptance."
  },
  {
    "id": "FACT-029",
    "category": "Construction",
    "claim": "Planned delivery of DD-963",
    "value": "Fall 1974",
    "source_filename": "Total res_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "schedule forecast",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Not actual delivery; official Navy history gives August 12, 1975."
  },
  {
    "id": "FACT-030",
    "category": "Construction",
    "claim": "Keels laid at publication",
    "value": "DD-964 through DD-967",
    "source_filename": "Total res_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "contemporary construction snapshot",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "November 1973 snapshot."
  },
  {
    "id": "FACT-031",
    "category": "Construction",
    "claim": "DD-968 production status",
    "value": "Steel fabrication begun; keel planned January",
    "source_filename": "Total res_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "contemporary snapshot and forecast",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "January is future to November 1973; verify actual milestone separately."
  },
  {
    "id": "FACT-032",
    "category": "Construction",
    "claim": "DD-969 production status",
    "value": "Fabrication scheduled January",
    "source_filename": "Total res_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "schedule forecast",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Not a completed milestone."
  },
  {
    "id": "FACT-033",
    "category": "Construction",
    "claim": "First two hulls construction method",
    "value": "Semi-modular; subsequent contract ships intended to use modular concept",
    "source_filename": "Total res_0004.pdf",
    "article_page": 4,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "process statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Avoid saying all hulls followed identical construction sequence."
  },
  {
    "id": "FACT-034",
    "category": "Construction",
    "claim": "Hull sections",
    "value": "Three",
    "source_filename": "Total res_0004.pdf",
    "article_page": 4,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "process statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "DD-963 sections joined earlier than intended for subsequent ships."
  },
  {
    "id": "FACT-035",
    "category": "Construction",
    "claim": "Deckhouse erection",
    "value": "Aluminum superstructure lifted in three sections by 200-ton-capacity cranes",
    "source_filename": "Total res_0004.pdf",
    "article_page": 4,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "process statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Crane capacity is not weight of every lift."
  },
  {
    "id": "FACT-036",
    "category": "Construction",
    "claim": "Launch pontoon length",
    "value": "637 feet",
    "source_filename": "Total res_0004.pdf",
    "article_page": 4,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "facility specification",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Not ship length."
  },
  {
    "id": "FACT-037",
    "category": "Construction",
    "claim": "Launch pontoon lift capacity",
    "value": "38,400 tons",
    "source_filename": "Total res_0004.pdf",
    "article_page": 4,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "facility specification",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Different from transfer capability."
  },
  {
    "id": "FACT-038",
    "category": "Construction",
    "claim": "Launch pontoon transfer capability",
    "value": "29,200 tons",
    "source_filename": "Total res_0004.pdf",
    "article_page": 4,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "facility specification",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Different from lift capacity."
  },
  {
    "id": "FACT-039",
    "category": "Construction",
    "claim": "Transfer to pontoon",
    "value": "West along track system from integration area",
    "source_filename": "Total res_0004.pdf",
    "article_page": 4,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "planned process",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "November 1973 pre-launch account."
  },
  {
    "id": "FACT-040",
    "category": "Construction",
    "claim": "Launch sequence",
    "value": "Move pontoon mid-channel; ballast before ceremony; ship nearly afloat at christening; float free and tow to outfitting docks",
    "source_filename": "Total res_0005.pdf",
    "article_page": 5,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "planned process",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Not a conventional slide down ways; confirm execution with photographs/logs."
  },
  {
    "id": "FACT-070",
    "category": "Shipyard",
    "claim": "Litton acquisition of Ingalls",
    "value": "1961",
    "source_filename": "experience_0002.pdf",
    "article_page": 2,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "corporate history statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Independent corporate records desirable."
  },
  {
    "id": "FACT-071",
    "category": "Shipyard",
    "claim": "Naval deliveries since acquisition",
    "value": "27 by this account",
    "source_filename": "experience_0002.pdf",
    "article_page": 2,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "corporate history statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Includes new construction and overhaul redeliveries; not 27 newly built ships."
  },
  {
    "id": "FACT-072",
    "category": "Shipyard",
    "claim": "Commercial vessels since 1938",
    "value": "130",
    "source_filename": "experience_0002.pdf",
    "article_page": 2,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "corporate history statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Separate commercial history total; not Spruance production."
  },
  {
    "id": "FACT-073",
    "category": "Shipyard",
    "claim": "East bank site",
    "value": "168 acres",
    "source_filename": "experience_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "facility specification",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Contemporary footprint."
  },
  {
    "id": "FACT-074",
    "category": "Shipyard",
    "claim": "West bank site",
    "value": "611 acres; new yard start-up 1970",
    "source_filename": "experience_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "facility specification",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Contemporary footprint and claimed opening."
  },
  {
    "id": "FACT-075",
    "category": "Shipyard",
    "claim": "First west-bank keel",
    "value": "680-foot commercial containership in March 1970",
    "source_filename": "experience_0003.pdf",
    "article_page": 3,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "corporate history statement",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Name not given in this passage; do not guess."
  },
  {
    "id": "FACT-076",
    "category": "Shipyard",
    "claim": "Outfitting",
    "value": "Many destroyers, including Spruance, to move to east bank after west-bank launch",
    "source_filename": "experience_0004.pdf",
    "article_page": 4,
    "pdf_page": 1,
    "source_date": "1973-11",
    "claim_type": "planned process",
    "reading_confidence": "Visually checked against source",
    "historical_verification": "Source statement; independent verification not implied",
    "documented_or_calculated": "Documented source statement",
    "caution": "Strong link to yard photography research."
  }
]