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Predictive Likelihood Ratios for Language Model Watermark Detection

This story is from 2026-09-15. It is preserved in the archive; the latest stories are on the live feed.

arXiv:2609.15657v1 Announce Type: new Abstract: Keyed watermark detection tests dependence between observed tokens and pseudorandom variables reconstructed from a secret key. Building on the pivotal framework of Li et al. (2025), we construct predictive likelihood ratios that average over uncertain…

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  1. 2026-09-15 04:00 · arXiv stat.ML
    Predictive Likelihood Ratios for Language Model Watermark Detection

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