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Hyeseon An

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#artificial intelligence May 2026

Linguistics-Aware Non-Distortionary LLM Watermarking

LUNA is a linguistically adaptive watermark that combines model-free detection with single-token non-distortion under the standard random-key model, and is the only method that simultaneously achieves AUROC>0.99 and an absolute median perplexity shift below 0.1.

Shinwoo Park, Hyejin Park, Hyeseon An et al. · arXiv.org · 0 citations