《旧唐书·列传·卷四》
拘捕杀害炀帝的全部主谋人宇文智及、杨士览、元武达、许弘仁、孟景，召集隋朝文武官员核对之后就斩下首级，挂在辕门之外示众。
悉收弑炀帝元谋者宇文智及、杨士览、元武达、许弘仁、孟景，集隋文武官，对而斩之，枭首辕门之外。
He arrested and killed all the main conspirators who murdered Emperor Yang, including Yuwen Zhiji, Yang Shilan, Yuan Wuda, Xu Hongren, and Meng Jing. He called a meeting and had the civil and military officials of the Sui Dynasty verify their identities before beheading them and hanging their heads outside the military camp to publicly display them.