Portico, a community-supported preservation archive that safeguards access to e-journals, e-books, and digital collections, has passed an important milestone and now has more than 1,000 participating publishers who, along with more than 1,000 participating libraries, ensure that scholarly content remains usable, authentic, discoverable, and accessible. Such broad community support and collaboration allow for providing long-term digital preservation in a cost-effective and sustainable way.
Portico is preserving an extensive set of content in its archive: more than 96 million journal articles, 1.6 million ebooks, and 8.2 million items from digital collections—totaling 560 TB. This includes scholarly content from 86 countries, ensuring that research from a broad range of cultures and perspectives will remain accessible to users for the long term. Over the last twelve months, Portico has welcomed more than 70 new publishers to its flagship e-journal preservation service, while also growing participation in its ebook and digital collections preservation services. Growth is particularly strong among Open Access publishers, with scholar-led journals representing a large segment of new participants.
Over the last few years, the number of trigger events—in which Portico provides access to content that is no longer available from the publisher or a successor—has also grown dramatically. To date, the service has provided access to 191 titles through triggers; 163 of these publications are Open Access titles, which remain freely available to all.
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