It is believed that because he was an exchange student with the Kentoshi (Japanese envoy to Tang Dynasty China), which was highly respected in the society at that time, he was able to avoid execution, and was instead exiled to Oki Province.
刷雄本人は若い時から禅行を修めていた（当時の社会で重んじられていた遣唐使留学生だった経歴が考慮されたものとも）として死を免れ、隠岐国に配流された。