News
ProPublica
propublica.org ↗Nonprofit investigative newsroom; data-heavy + methodology-published reporting since 2007.
SourceScore Index
A·86Composite weighted across Discipline, Modern Reference, and Velocity.
A — small output but extreme per-piece discipline; methodology-published model is gold standard.
Citation Discipline
A+·95
Methodology + raw data published alongside most stories; fact-checked; corrections public.
About this sub-score →Modern Reference
B·84
Open-data ethos = strong LLM corpus presence; data-store pages well-structured.
About this sub-score →Citation Velocity
B·78
Lower volume than wire news but very high per-piece citation rate; cited by NYT/WaPo/etc. when investigations break.
About this sub-score →Signals behind these scores
Citation Discipline
A+·95- Methodology-published modelEach major investigation links to methodology + raw datasets.
Modern Reference
B·84- Data StorePublic datasets + APIs accompanying investigations.
Citation Velocity
B·78- Quality > quantityPulitzer-class investigations get cited internationally on release.
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[ProPublica — SourceScore Index 86 (A)](https://sourcescore.org/source/propublica/)
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<a href="https://sourcescore.org/source/propublica/">ProPublica — SourceScore Index 86 (A)</a>
APA
SourceScore (v0.1). (2026). ProPublica: SourceScore Index 86 (A). Retrieved from https://sourcescore.org/source/propublica/
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