TY - RPRT TI - XMark: Reliable Multi-Bit Watermarking for LLM-Generated Texts AU - Xu, Jiahao [University of Nevada, Reno] AU - Hu, Rui [University of Nevada, Reno] AU - Kotevska, Olivera [ORNL] (ORCID:0000000316772243) AU - Zhang, Zikai [University of Nevada, Reno] PY - 2026 DO - 10.18653/v1/2026.acl-long.672 UR - https://www.osti.gov/biblio/3395429 ID - 3395429 ER -