@article{asingledirectionoftruthanobservermodelsl,
  title = {A Single Direction of Truth: An Observer Model's Linear Residual Probe Exposes and Steers Contextual Hallucinations},
  author = {Charles O'Neill and Slava Chalnev and Chi Chi Zhao and Max Kirkby and Mudith Jayasekara},
  year = {2025},
  eprint = {2507.23221},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2507.23221},
}