2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/132808We produce a family of numerical Campedelli surfaces with \Z/6 torsion by constructing the (Gorenstein codimension 5) canonical ring of the étale six to one cover using serial unprojection. In Section 2 we develop the necessary algebraic machinery. Section 3 contains the numerical Campedelli surface construction, while Section 4 contains remarks and open questions.33 pagesAlgebraic GeometryCommutative Algebratext