{
  "historical_returns": "Compiled 2024 presidential returns from MEDSL, OpenElections, state and county agencies, and some Wikipedia all-method totals. Source status flags were retained but not independently revalidated.",
  "election_day_counts": "Actual method-specific source counts where available. Wikipedia-labeled baseline units do not supply Election Day candidate counts.",
  "participation_proxy": "Historical presidential votes multiplied by 2024 EAVS F1b divided by F1a, with missing or inconsistent rows withheld. EAVS does not provide a candidate split.",
  "allocation": "2020 resident population within current 2026 congressional districts. This is a proxy for voter location.",
  "coverage_gate": "At least 95% usable method, weather population, and state source-vote geography coverage.",
  "sources": [
    "https://github.com/MEDSL/2024-elections-official",
    "https://openelections.net",
    "https://www.eac.gov/research-and-data/datasets-codebooks-and-surveys",
    "https://registry.opendata.aws/noaa-hrrr-pds/",
    "https://registry.opendata.aws/noaa-mrms-pds/",
    "https://www.weather.gov/documentation/services-web-api",
    "https://www.census.gov/programs-surveys/decennial-census/about/rdo/congressional-districts.html"
  ]
}