About: http://webisa.webdatacommons.org/143548104

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	I would guess the answer is no for most systems because there is no reason to believe all undecidable sentences are equivalent, so there is a high chance that the shortest undecidable sentence will lie in some other equivalence class.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com