About: http://webisa.webdatacommons.org/328341811

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	So what I think the OP wants is a word for conveniently undisprovable.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com