@article{imfimplicitfingerprintforlargelanguage,
  title = {ImF: Implicit Fingerprint for Large Language Models},
  author = {Wu jiaxuan and Peng Wanli and Fu hang and Xue Yiming and Wen juan},
  year = {2025},
  eprint = {2503.21805},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2503.21805v2},
}