On October 27th, 2016, representing the NarTrans project, I have opened the "II Jornades Internacionals de Poesia: arxius, poètiques i recepcions" (at MACBA, Barcelona, Spain) with a Keynote entitled "Curating Digital Archives: Interoperability and Appropriation @ PO-EX.NET". This post is a short and revised version of some issues discussed during my presentation. Digital archives contain surrogates, encoded simulations of material…