@inproceedings{shihab-etal-2026-est, title = "{EST}-{PRM}: Stress-Testing Process Reward Models Before They Become Load-Bearing", author = "Shihab, Ibne Farabi and Afrin, Fariya and Akter, Sanjeda and Sharma, Anuj", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.778/", pages = "18085--18108", ISBN = "979-8-89176-459-0" }