 record whose content and form fulfill the requirements set by the creator and the juridical system for the record to reach the consequences or produce the effects for which it was intended. With pertinent, precise and truthful, a component of accuracy. [Archives] 
corroboration 
n., [diplomatics] An intrinsic element of documentary form that comprises an explicit statement of the means used to validate a record. [Archives] 
n.,
 Evidence that confirms the accuracy of other evidence “in a material particula