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Knowledge Futures and Crossref are building together to test the limits of what’s possible for high-volume, high-granularity DOI management. That means fast prototypes, real building, and learning through the process.</p></p></div><a href=/blog/collaboration-with-knowledge-futures-to-build-support-for-high-volume-doi-registration/ class=nav2019__post-readmore>...Find out more</a></div><div class="nav-col nav2019__post"><img class=profile-pic src=https://www.crossref.org//images/staff/sara-thumbnail.jpg alt='Sara Bowman' height=57 width=57><div class=nav2019__post-text><h5>2026 June 01</h5><h3><a href=/blog/co-access-deprecation-is-coming-are-you-ready/>Co-access deprecation is coming: are you ready?</a></h3><p><p>Last September, <a href=https://doi.org/10.64000/w6pw6-c7y02 target=_blank>we announced</a> we’d be deprecating co-access and encouraging its ~100 users to use our <a href=/documentation/register-maintain-records/creating-and-managing-dois/multiple-resolution/>multiple resolution service</a>. We announced that <strong>no new DOIs will be placed in co-access from 1st of July 2026</strong> and that the ensuing 6 months should be spent cleaning up records already in co-access and moving them over to multiple resolution. </p><p>We’re here with a reminder: co-access is being deprecated&mldr;and with an update: To help with the transition to multiple resolution, we offer a tool that simplifies the process and documentation about <a href=/documentation/register-maintain-records/creating-and-managing-dois/multiple-resolution/#00118>how to set up multiple resolution</a>. </p></p></div><a href=/blog/co-access-deprecation-is-coming-are-you-ready/ class=nav2019__post-readmore>...Find out more</a></div><div class="nav-col nav2019__post"><img class=profile-pic src=https://www.crossref.org//images/staff/kora2.jpg alt='Kornelia Korzec' height=57 width=57><div class=nav2019__post-text><h5>2026 May 26</h5><h3><a href=/blog/two-billion-citation-links-in-crossref-help-research-travel-further/>Two billion citation links in Crossref help research travel further</a></h3><p><p>We&rsquo;ve recently reached an important milestone for the research nexus: the works in our metadata corpus are now connected with over 2 billion citation links! This is a great opportunity to share a dedicated dataset and discuss why these are important for science.</p></p></div><a href=/blog/two-billion-citation-links-in-crossref-help-research-travel-further/ class=nav2019__post-readmore>...Find out more</a></div><div class="nav-col nav2019__post"><img class=profile-pic src=https://www.crossref.org//images/staff/lucy3.jpg alt='Lucy Ofiesh' height=57 width=57><div class=nav2019__post-text><h5>2026 May 22</h5><h3><a href=/blog/express-your-interest-in-joining-our-board-of-directors/>Express your interest in joining our Board of Directors</a></h3><p><p>The Crossref Nominating Committee is inviting expressions of interest to join the Board of Directors of Crossref for the term starting in January 2027. 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