The official property name of these remains is 'Mino Inaba District, Sanden-ji Temple stone foundation remain for the central pillar of a pagoda with a set of copper pot placed with in the reliquary' and the stone foundation for the central pillar of a pagoda was also designated for a National Important Cultural Property as the 'Tsuketari' (the accompaniment) to the 'Dohtsubo' (a copper pot, designated in 1961 according to archaeological references).
正式の指定名称は「美濃稲葉郡山田寺塔心礎納置銅壼1合附塔心礎」であり、塔心礎は「銅壺」の「附」（つけたり）として国の重要文化財に指定された（考古資料、昭和36年2月指定）。