The Chinese Pulsar Timing Array Data Release I - Single pulsar noise analysis Siyuan Chen, Heng Xu, Yanjun Guo, Bojun Wang, R. Nicolas Caballero, Jinchen Jiang, Jiangwei Xu, Zihan Xue, Kejia Lee, Jianping Yuan et al. (16 more) A&A, 699 (2025) A165 Published online: 07 July 2025 DOI: 10.1051/0004-6361/202452550