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cs.CR2026
Model-intrinsic, Weight-level, and Training-free Spectral Fingerprinting for Large Language Models
Yanan He, Yanli Chen, Ling Xiong +2
The increasing release and reuse of Large Language Models (LLMs) as open-weight checkpoints make model fingerprinting important for ownership protection and offline auditing. Exist…
cs.CR2026
HiMark: Hierarchical and Controllable Multi-bit Watermarking for Large Language Models
Ke Zhu, Yanli Chen, Ling Xiong +2
With the rapid adoption of large language models (LLMs) in text generation applications, it has become increasingly difficult to trace generated content and assign responsibility f…