About: http://webisa.webdatacommons.org/46891423

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	AutoMapper to the rescue, unfortunately yes- you need distinct versions of each contract, do not forget all objects referenced by your contract are a part of that contract.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com