《资治通鉴·汉纪·汉纪四十六》
甲寅，封河间孝王刘开的儿子、参户亭侯刘博为任城王，做已故任城孝王刘尚的继承人，侍奉祭祀。
甲寅，封河间孝王子参户亭侯博为任城王，奉孝王后。
In jia-yin, Liu Bo, the son of the Prince of Hejian, the filial King Liu Kai, was enfeoffed as the Prince of Rencheng as the heir to succeed the late Prince of Rencheng, the filial King Liu Shang, and serve in the rituals of sacrifice.