This property records the identifier that was assigned to an object in an Identifier Assignment activity.
P47 is identified by (identifies) - a property of an E19 Physical Object - is a short cut of the fully developed path from E19 Physical Object through P36, E15 Identifier Assignment, P37 assigned (was assigned by) to E42 Object Identifier.
The same identifier may be assigned on more than one occasion.
An Object Identifier might be created prior to an assignment.
