the characteristics of the medium for which the transcriptions is written. [Arts] 
n., The authenticity of a photographic print should be based on certification by the photographer. Even if two prints were
virtually (or even actually)indistinguishable, only the one certified by the photographer would count as genuine or authentic.
[Arts] 
n., The quality in a thing of being what it is claimed to be (valid, real, genuine, etc.), verified in archives and special colle
ctions through an investigative process k