arXiv AI By Chengheng Li-Chen, Kyuhee Kim

ChainMark: Model-Free LLM Watermarking with Closed-Form Calibration

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arXiv:2607. 18445v1 Announce Type: cross Abstract: Regulatory regimes such as the EU AI Act mandate machine-readable marking of synthetic text, but existing watermark detectors rely on the generating LM and on heuristic thresholds with no closed-form calibration.

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