About: http://webisa.webdatacommons.org/341574157

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	Quite a lot of code needs to know if what it is passed is a object (which it should not go inside) or a hash (which it can.) To do this it uses blessed which you have just broken.
http://www.w3.org/ns/prov#wasQuotedFrom	perl.org