Has the technological collaboration of the Center for Scientific and Academic Services of Catalonia, (CESCA) for preserving and giving access to old versions of web pages published on the Internet.

[8] The analysis of these and other projects, made way to the planning of PADICAT project, following the common trend around the world of a hybrid model of functioning, complementing the regular capture of a whole geographical domain (.cat domain in this case), with selective actions, and expand these coverage to different social events that generate an intense activity in the network (electoral campaigns, for instance) or with thematic packages (museums of Catalonia, Catalan folk-rock on the web, etc.).

In June 2005, the Biblioteca de Catalunya started the preliminary phase, of planning, in which a projects analysis was performed about existing resources, agents involved in production of web pages of Catalonia and legal issues that determine practices that want to do.

Based on parameters defined by the Biblioteca de Catalunya, on July 21, 2006, began to collect automatically websites likely to be part of the digital heritage of Catalonia.

In charge of results searching and viewing in web interface there is Linux cluster high-availability, with balance features of requests loads and error tolerance if there is a technical disaster of nodes that integrate platform.

Is expected to include the deposited contents in PADICAT to COFRE[19] (COnservem per al Futur Recursos Electrònics), a high security preservation system created for the Biblioteca de Catalunya