@article{testtimerlalignmentexposestaskfamiliarit,
  title = {Test-time RL alignment exposes task familiarity artifacts in LLM benchmarks},
  author = {Kun Wang and Reinhard Heckel},
  year = {2026},
  eprint = {2603.12875},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.12875},
}