{"status":"ok","artifact":"same_event_source_differentiation_summary","format":"json","meta":{"source_url":"https://raw.githubusercontent.com/Distinction-Projects/RSS_Feeds/main/data/processed/rss_openai_precomputed.json","source_mode":"current","snapshot_date":null,"etag":"\"34135546cff3be551e278b6641b6407c36a1d879a02c114ec648c143916a4837\"","schema_version":"1.1","contract":"rss_pipeline_precomputed","generated_at":"2026-05-12T16:46:03Z","digest_generated_at":"2026-05-12T15:44:05Z","digest_run_id":"digest-20260512T154405-f1dbb44936","fetched_at":"2026-05-12T22:52:48.546770Z","ttl_seconds":21600,"from_cache":false,"using_last_good":false,"fetch_error":null,"input_articles_count":1826,"excluded_unscraped_articles":540,"filtered_count":1,"returned_count":1,"stats_backend":"precomputed","stats_snapshot_path":"/srv/newslens/app/data/processed/news_analytics_snapshot.json"},"filters":null,"rows":[{"status":"ok","reason":"","n_articles":38,"n_sources":11,"n_lenses":12,"permutations":20,"multivariate_f_stat":1.5070276321359233,"multivariate_r_squared":0.3582167182892497,"multivariate_p_perm":0.09523809523809523,"classification_accuracy":0.1111111111111111,"classification_baseline_accuracy":0.18421052631578946,"classification_p_perm":0.3333333333333333,"source_counts":{"BBC News":4,"ABC News (Australia)":3,"NPR":5,"Al Jazeera":4,"DW":3,"ABC News":7,"CBS News":3,"NBC News":3,"PBS NewsHour":4,"The Guardian":1,"Fox News":1}}]}