CINXE.COM

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Portico</a> </li> <li class=" menu-item menu-item-type-post_type menu-item-object-page menu-item-144"> <a href="https://www.portico.org/news/">News</a> </li> </ul> </div> </div> </nav> </header> <main> <div class="content-row row layout-content-width"> <div class="small-12 columns" data-sc="content:header"> <div class="article-header"> <h1 class="article-h1 main-title header">Facts and figures</h1> </div> </div> <div class="content small-12 columns"> <div class="content-wrapper" data-sc="content:page"> <article class="post-type-page" id="post-2217"> <section class="article-content"> <div class="article-body"> <div class="row"> <div class="columns medium-9"> <p>Portico is one of the most comprehensive digital preservation archives; we hold more content than others and have extensive knowledge about the content we preserve, including聽 an understanding of component file types and formats. The archive is growing daily, and the information below is regularly updated.</p> </div> </div> <div class="row content-row"> <div class="columns medium-4"> <div class="h1 large push-up" style="margin-bottom: 0; line-height: 0.8em; color: #3e8083;"> 1,197 </div> <div class="h2 compact-bottom" style="margin-top: 0.8rem;">participating publishers</div> <p class="small"><em>on behalf of over 2,000 societies and associations</em></p> </div> <div class="columns medium-4"> <div class="h1 large push-up" style="margin-bottom: 0; line-height: 0.8em; color: #3e8083;"> 1,294 </div> <div class="h2" style="margin-top: 0.8rem;">participating libraries</div> </div> <div class="columns medium-4"> <div class="h1 large push-up" style="margin-bottom: 0; line-height: 0.8em; color: #3e8083;"> 218 </div> <div class="h2" style="margin-top: 0.8rem;">trigger events</div> </div> </div> <div class="row content-row"> <div class="columns medium-4"> <div class="h1" style="margin-bottom: 0; line-height: 0.8em; color: #3e8083; font-size: 36px;"> 41,835 </div> <div class="h3" style="margin-top: 0.8rem;">committed ejournal titles</div> </div> <div class="columns medium-4"> <div class="h1" style="margin-bottom: 0; line-height: 0.8em; color: #3e8083; font-size: 36px;"> 2,435,449 </div> <div class="h3" style="margin-top: 0.8rem;">committed ebook titles</div> </div> <div class="columns medium-4"> <div class="h1" style="margin-bottom: 0; line-height: 0.8em; color: #3e8083; font-size: 36px;"> 479 </div> <div class="h3" style="margin-top: 0.8rem;">committed digital collections</div> </div> </div> <div class="row content-row"> <div class="columns medium-9 large-7 end"> <h2>Preserved content</h2> <table> <tbody> <tr> <td>Preserved archival units (articles, books, etc.)</td> <td class="last-col text-right">148,546,508</td> </tr> <tr> <td>Preserved ejournal titles</td> <td class="last-col text-right">40,535</td> </tr> <tr> <td>Preserved ebook titles</td> <td class="last-col text-right">2,191,313</td> </tr> <tr> <td>Preserved files</td> <td class="last-col text-right">2,690,541,585</td> </tr> <tr> <td>Preserved images</td> <td class="last-col text-right">1,624,952,223</td> </tr> <tr> <td>Preserved repository-created archival files</td> <td class="last-col text-right">321,810,531</td> </tr> <tr> <td>Preserved supplied text files</td> <td class="last-col text-right">551,470,121</td> </tr> <tr> <td>Preserved application-specific files</td> <td class="last-col text-right">35,087,532</td> </tr> <tr> <td>Preserved multi-file packages</td> <td class="last-col text-right">23,916,499</td> </tr> <tr> <td>Preserved video files</td> <td class="last-col text-right">557,084</td> </tr> <tr> <td>Preserved audio files</td> <td class="last-col text-right">14,663</td> </tr> <tr> <td>Preserved executable files</td> <td class="last-col text-right">121</td> </tr> </tbody> </table> </div> </div> </div> </section> </article> </div> </div> </div> </main> <footer class="footer" aria-label="footer"> <div class="row"> <div class="small-12 columns"> <h4 class="h2 heading mb1">Portico</h4> </div> </div> <div class="row bottom-section"> <div class="small-12 medium-6 columns"> <div class="row"> <div class="columns large-4"> <ul class="no-bullet compact-bottom"> <li><a href="/why-portico/">Why Portico</a></li> <li><a href="/our-work/">Our work</a></li> <li><a href="/coverage/">Coverage</a></li> <li><a href="/join/">Join</a></li> <li><a href="/news/">News</a></li> </ul> </div> <div class="columns large-4"> <ul class="no-bullet compact-bottom"> <li><a href="/for-participants/">For participants</a></li> <li><a href="/preservation-policies/">Preservation policies</a></li> <li><a href="https://audit.portico.org/">Auditor login</a></li> </ul> </div> <div class="columns large-4"> <ul class="no-bullet compact-bottom"> <li><a href="/our-staff/">Our staff</a></li> <li><a href="/governance/">Governance</a></li> <li><a href="/contact-us/">Contact us</a></li> <li><a href="https://www.ithaka.org/careers/">Careers</a></li> </ul> </div> </div></div> <div class="small-12 medium-6 columns"> <ul class="no-bullet list-horizontal social-icons compact-bottom"> <li> <a href="https://twitter.com/Portico_Digital" class="icon-link"> <span class="show-for-sr">Twitter</span> <i class="fi-social-twitter"></i> </a> </li> </ul> <p> <small> The Portico digital preservation service is part of <a href="https://www.ithaka.org/">ITHAKA</a>, a not-for-profit organization helping the academic community use digital technologies to preserve the scholarly record and to advance research and teaching in sustainable ways. </small> </p> <p class="compact-bottom"> <small> 漏2005-2025. 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