Bahasa Jepangnya “verifikasi keaslian”

endosemen; verifikasi keaslian; catatan di balik gulungan; bukti

endorsement (of a cheque, bill, etc.); verification of authenticity (written on the back of a scroll); note written on the back of a scroll; proof

verifikasi keaslian dokumen

verification of the authenticity of a document (e.g. by seal or handwriting)