@article{promptpetprivacyutilityoptimizedpromptob,
  title = {PromptPET: Privacy-Utility Optimized Prompt Obfuscation},
  author = {Ke Yang and Olivia Figueira and Umar Iqbal and Athina Markopoulou},
  year = {2026},
  eprint = {2607.02932},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.02932},
}