About: http://webisa.webdatacommons.org/119545430

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	Joe does change them for new old stock ones during the upgrade ??? my case was a particular one in that my pair had almost never been used, so Joe didn't change them.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org