Sealed on Base.

{"canonicalPath":"/v/if-a-student-s-writing-sl5ig","receipt":{"challengePrompt":"Can you prove that polished writing from a student is definitive proof of AI use, despite the high false positive rates documented in academic studies?","claim":"If a student's writing sounds too polished, that is enough to confirm AI use.","confidence":"High","createdAt":"2026-06-21T05:26:35.001Z","kicker":"Polished writing is a style clue, not proof of AI use.","paidAt":"2026-06-21T05:26:35.000Z","reasons":[{"body":"Formal, predictable, or unusually clean prose can come from editing, tutoring, translation practice, or a student improving their draft.","stance":"weakens","title":"Style overlaps with normal human writing"},{"body":"If automated detectors can falsely flag real human writing, a human hunch about polished style is even less conclusive.","stance":"context","title":"Detector risk makes tone-based proof weaker"},{"body":"Version history, notes, citations, and a short conversation about the work are stronger than judging the student by vibes.","stance":"supports","title":"Process evidence is the fair test"}],"score":5,"shareLine":"FactPage check: FALSE. Writing that sounds polished is not proof of AI use. Treat it as a reason to review drafts, not as evidence by itself.","slug":"if-a-student-s-writing-sl5ig","sources":[{"imageUrl":null,"publisher":"Stanford HAI","title":"AI Detectors Biased Against Non-Native English Writers","url":"https://hai.stanford.edu/news/ai-detectors-biased-against-non-native-english-writers","usedFor":"Shows that predictable or constrained writing patterns can be misread by AI detectors."},{"imageUrl":null,"publisher":"MIT Sloan Teaching & Learning Technologies","title":"AI Detectors Don't Work","url":"https://mitsloanedtech.mit.edu/ai/teach/ai-detectors-dont-work/","usedFor":"Explains why detector claims and style suspicions need human review."},{"imageUrl":null,"publisher":"Vanderbilt University","title":"Guidance on AI Detection","url":"https://www.vanderbilt.edu/brightspace/2023/08/16/guidance-on-ai-detection-and-why-were-disabling-turnitins-ai-detector/","usedFor":"Institutional guidance against high-stakes conclusions from weak AI detection signals."}],"summary":"No. Polished or formal student writing does not prove AI use. Careful writers, edited drafts, non-native English patterns, tutoring, and ordinary revision can all produce prose that sounds smooth. If there is a concern, the fair next step is process review, not a verdict based on tone.","vaultCategory":"AI detector","verdict":"FALSE"},"type":"factpage.receipt","version":"fp-receipt-v1"}