@article{asystematicevaluationofblackboxuncertain,
  title = {A Systematic Evaluation of Black-Box Uncertainty Estimation Methods for Large Language Models},
  author = {Jiayi Wang and Xu-Yao Zhang},
  year = {2026},
  eprint = {2606.19868},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.19868},
}