According to "Nihonshoki" (Chronicles of Japan), after the war on December 4, 672, many were selected for their acts of valor, and were awarded a kan-i rank(literary translated, it means "crown rank"; it was a rank awarded based on ability regardless of name and birth) of shosen(one of the rank levels) or higher.
乱の後、12月4日に勲功ある人を選んで冠位を増し、小山位以上をあたえたとする記事が『日本書紀』にある。