Harutaka's name appeared in a 'List of Signers for Official Documents Submitted to the Shogunate' ('Bakufu Teishutsu Josho Shomeisha Ichiran' in Japanese) which was dated July 10, 1863, but his name was not included in a 'List of Active-Duty Troops' which was created in August or September, 1863.
同月二十五日（1863年7月10日）の「幕府提出上書署名者一覧」には名前があるものの、同年七月（1863年8月～9月）の「在隊者リスト」には名前がない。