The legal deposit system is geared to preserving copies of all a country's published works. It involves a number being issued to each edition of each such work. In Spain, the system applies to all publications produced for dissemination purposes in the country, regardless of their type and format, whether subject to payment or free of charge.
An international system for identifying digital objects. It involves assigning a unique number to books, journal articles, chapters, etc., to facilitate their identification and automatic management.
Who can request an ISSN? Publishers, printers, distributors, subscription agencies, booksellers, libraries, documentation centres, and indexing and abstracting services.
How can I get an ISSN? Complete a form online or apply via post.
An open system for assigning persistent identifiers (URLs that do not vary even when a page's location is changed) to digital objects on the internet (articles, journals, images, etc.).
Developed by the CNRI (Corporation for National Research Initiatives) in the USA, handles consist of two parts:
1. Prefix: identifies a producer (university, publisher, journal, etc.).
2. Suffix: identifies a digital work or document (article, book, chapter, etc.).
How can I get a handle? When you deposit a document in UPF's digital repository, you will automatically receive a handle that will identify it and guarantee it a permanent URL.