PROV-DM: The PROV Data Model publication history Date Status 30 April 2013 Recommendation 12 March 2013 Proposed Recommendation 11 December 2012 Candidate Recommendation Snapshot 24 July 2012 Last Call Working Draft 3 May 2012 Working Draft 2 February 2012 Working Draft 15 December 2011 Working Draft 18 October 2011 Working Draft