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Ted Underwood
tedunderwood.com
did:plc:565ebob5f6hw33hjdkxty6qj
This is 5 months old now, but I read it carefully for the first time today, and it's impressive. They find structural fingerprints of human vs AI authorship w/ 93.2% macro-F1, and more surprisingly (for me) are able to use these structural—not stylistic—features to say *which model* wrote a story.
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2026-09-28T17:04:19.065Z