rmats or presentations,11 fixed 
form does not imply that the bitstreams must remain intact over time. It is possible to change the 
way a record is contained in a computer file without changing the record; for example, if a digital 
object generated in ‘.doc’ format is later saved in ‘.pdf’ format, the way it manifests itself on the 
screen—its documentary presentation, or “documentary form”—has not changed, so one can 
say that the object has a fixed form.  
One can also produce digital information that c