title: Time-travel with PRONOM - The fourth dimension of DROID
creators: Michelle Lindlar Yvonne Tunnat
abstract: <p>This entry contains the poster and extended abstract of the iPRES 2018 poster submission.</p>
  
  <p><strong>Abstract:</strong></p>
  
  <p>In a domain dealing with risks associated with the often quoted fast-changing technological landscape, it is surprising that one of the main tools we rely on has been more or less stable for so long. More or less? DROID signature patterns undergo changes as identification methods improve. The question at hand is how frequent those changes and updates are and what their impact is. The poster presents the findings of a brief study taking a closer look at DROID signature pattern changes over the course of time.</p>
keywords: digital preservation file format identification tool benchmarking file format