@article{verifiablerewardsbeyondmathandcodelightw,
  title = {Verifiable Rewards Beyond Math and Code: Lightweight Corpus-Grounded Process Supervision for Factual Question Answering},
  author = {Shicheng Fan and Haochang Hao and Dehai Min and Weihao Liu and Philip S. Yu and Lu Cheng},
  year = {2026},
  eprint = {2605.29648},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.29648},
}