{"weekly":[{"stories":395,"weekStart":"2026-08-31","p50Seconds":1572,"p95Seconds":81990},{"stories":280,"weekStart":"2026-09-07","p50Seconds":500,"p95Seconds":13145},{"stories":332,"weekStart":"2026-09-14","p50Seconds":509,"p95Seconds":11475},{"stories":692,"weekStart":"2026-09-21","p50Seconds":390,"p95Seconds":16296},{"stories":751,"weekStart":"2026-09-28","p50Seconds":304,"p95Seconds":3365},{"stories":272,"weekStart":"2026-10-05","p50Seconds":508,"p95Seconds":3477},{"stories":298,"weekStart":"2026-10-12","p50Seconds":590,"p95Seconds":10294},{"stories":11,"weekStart":"2026-10-19","p50Seconds":1002,"p95Seconds":6526}],"thisWeek":{"stories":11,"weekStart":"2026-10-19","p50Seconds":1002,"p95Seconds":6526},"stories7d":271,"firstParty":{"p50Seconds":203,"p95Seconds":203,"sampleSize":1,"windowHours":24},"generatedAt":"2026-10-19T07:38:29.327Z","windowWeeks":8,"totalStories":3375,"leadToPublish":{"p50Seconds":1381,"p95Seconds":40319,"sampleSize":44,"windowHours":24},"storiesPerDay":38.7,"sourceImageShare":1,"primarySourceShare":0.192,"canonicalUrl":"https://aiunderstanding.org/research/newsroom-speed","units":{"p50Seconds":"seconds","p95Seconds":"seconds","primarySourceShare":"fraction 0-1","sourceImageShare":"fraction 0-1"},"method":{"latency":"Seconds from the moment our poller first recorded a lead (NewsCandidate.detectedAt) to the moment the story or canonical update went live. Percentiles are computed over stories published in each ISO week (Monday 00:00 UTC).","firstParty":"Same measure restricted to leads discovered directly from lab, vendor, or regulator sources and the X monitor; aggregator and wire-search leads are excluded.","primarySourceShare":"Share of published stories whose recorded source host matches the first-party registry; known reporting outlets and unclassified hosts are excluded. This measures provenance, not independent claim verification.","sourceImageShare":"Share of published stories carrying an image; images come only from the verified source page, never generated."}}