Crossref
@crossref.bsky.social
We are the 51 people behind the nonprofit custodian of >180 million open #DOI #metadata and relationships used billions of times monthly by just about every tool in #openscience. More at https://www.crossref.org. [PS we only follow orgs, to keep it easy!]
Pinned
Highlights of a very busy year: our 2025 annual report - Crossref
As we finish celebrating our 25th anniversary, we can look back on a truly transformational year, defined by the successful delivery of several long-planned, foundational projects—as well as updates t...
doi.org
A summary of our year. If you didn’t get to catch up on the latest news from us this year, here is a handy overview in just 22-minutes, featuring some new product features, deprecations, financials, and a final farewell to our data centre! doi.org/10.64000/hsd... #openinfrastructure #annualreport
ما مدى جودة بياناتك الوصفية؟
انضم إلى ندوتنا عبر الإنترنت لجولة عملية في أداة تقارير المشاركة، والتعرّف على أهمية جودة البيانات الوصفية، وكيفية تحسينها لزيادة الظهور وإمكانية إعادة الاستخدام.
احجز مقعدك الآن https://crossref.zoom.us/webinar/register/3017679931848/WN_yOF5V_0cRjmWrEAzm2Pgdw
انضم إلى ندوتنا عبر الإنترنت لجولة عملية في أداة تقارير المشاركة، والتعرّف على أهمية جودة البيانات الوصفية، وكيفية تحسينها لزيادة الظهور وإمكانية إعادة الاستخدام.
احجز مقعدك الآن https://crossref.zoom.us/webinar/register/3017679931848/WN_yOF5V_0cRjmWrEAzm2Pgdw
January 15, 2026 at 8:25 PM
ما مدى جودة بياناتك الوصفية؟
انضم إلى ندوتنا عبر الإنترنت لجولة عملية في أداة تقارير المشاركة، والتعرّف على أهمية جودة البيانات الوصفية، وكيفية تحسينها لزيادة الظهور وإمكانية إعادة الاستخدام.
احجز مقعدك الآن https://crossref.zoom.us/webinar/register/3017679931848/WN_yOF5V_0cRjmWrEAzm2Pgdw
انضم إلى ندوتنا عبر الإنترنت لجولة عملية في أداة تقارير المشاركة، والتعرّف على أهمية جودة البيانات الوصفية، وكيفية تحسينها لزيادة الظهور وإمكانية إعادة الاستخدام.
احجز مقعدك الآن https://crossref.zoom.us/webinar/register/3017679931848/WN_yOF5V_0cRjmWrEAzm2Pgdw
Crossref Grant IDs can now be included across all record types, helping create clearer, more reliable links between funding and research outputs. https://doi.org/10.64000/x7d4h-x3r11
January 15, 2026 at 3:42 PM
Crossref Grant IDs can now be included across all record types, helping create clearer, more reliable links between funding and research outputs. https://doi.org/10.64000/x7d4h-x3r11
Reposted by Crossref
ROR is completely and perpetually free -- as in, it costs you nothing to use. Read more about ROR's "business" model to learn how this is made possible by @crossref.bsky.social, @datacite.org, and @caldiglib.bsky.social. ror.org/about/#busin...
About
The Research Organization Registry (ROR) is a global, community-led registry of open persistent identifiers for research and funding organizations.
ror.org
January 12, 2026 at 6:20 PM
ROR is completely and perpetually free -- as in, it costs you nothing to use. Read more about ROR's "business" model to learn how this is made possible by @crossref.bsky.social, @datacite.org, and @caldiglib.bsky.social. ror.org/about/#busin...
Reposted by Crossref
5/
Supporting transparency & reproducibility
- 45.8M+ annotations from supplementary files
- 270M citations via @crossref.bsky.social data, including preprints
- Software mentions in full text preprints discoverable @sofair-oa.bsky.social
#PhDSky #Preprints #OpenScience 🧪
Supporting transparency & reproducibility
- 45.8M+ annotations from supplementary files
- 270M citations via @crossref.bsky.social data, including preprints
- Software mentions in full text preprints discoverable @sofair-oa.bsky.social
#PhDSky #Preprints #OpenScience 🧪
January 13, 2026 at 11:54 AM
5/
Supporting transparency & reproducibility
- 45.8M+ annotations from supplementary files
- 270M citations via @crossref.bsky.social data, including preprints
- Software mentions in full text preprints discoverable @sofair-oa.bsky.social
#PhDSky #Preprints #OpenScience 🧪
Supporting transparency & reproducibility
- 45.8M+ annotations from supplementary files
- 270M citations via @crossref.bsky.social data, including preprints
- Software mentions in full text preprints discoverable @sofair-oa.bsky.social
#PhDSky #Preprints #OpenScience 🧪
Reposted by Crossref
The new Gap Reports in Participation Reports make it easier to find missing metadata and improve record quality, one DOI at a time. https://community.crossref.org/t/ticket-of-the-month-december-2025-mind-the-gap-reports/15019
January 14, 2026 at 11:21 PM
The new Gap Reports in Participation Reports make it easier to find missing metadata and improve record quality, one DOI at a time. https://community.crossref.org/t/ticket-of-the-month-december-2025-mind-the-gap-reports/15019
The new Gap Reports in Participation Reports make it easier to find missing metadata and improve record quality, one DOI at a time. https://community.crossref.org/t/ticket-of-the-month-december-2025-mind-the-gap-reports/15019
January 14, 2026 at 11:21 PM
The new Gap Reports in Participation Reports make it easier to find missing metadata and improve record quality, one DOI at a time. https://community.crossref.org/t/ticket-of-the-month-december-2025-mind-the-gap-reports/15019
Want to improve research communication worldwide? Crossref is hiring a Product Manager, Metadata to help shape open scholarly infrastructure. 🌍
Remote, full-time. Apply by Jan 30, 2026. https://www.crossref.org/jobs/2026-01-07-product-manager-metadata
#hiring #productmanagement #remotejobs
Remote, full-time. Apply by Jan 30, 2026. https://www.crossref.org/jobs/2026-01-07-product-manager-metadata
#hiring #productmanagement #remotejobs
January 13, 2026 at 8:58 PM
Want to improve research communication worldwide? Crossref is hiring a Product Manager, Metadata to help shape open scholarly infrastructure. 🌍
Remote, full-time. Apply by Jan 30, 2026. https://www.crossref.org/jobs/2026-01-07-product-manager-metadata
#hiring #productmanagement #remotejobs
Remote, full-time. Apply by Jan 30, 2026. https://www.crossref.org/jobs/2026-01-07-product-manager-metadata
#hiring #productmanagement #remotejobs
An important paper analysing how the various publishing tools and platforms handle open metadata
NEW Preprint: "Manuscript Submission Systems and #Metadata Completeness in Crossref: Patterns And Associations" by Hans de Jonge and Bianca Kramer osf.io/preprints/me... #scholcomm #publishing @crossref.bsky.social
January 9, 2026 at 12:38 PM
An important paper analysing how the various publishing tools and platforms handle open metadata
Come and hear how our Grant Linking System supports tools like Dimensions and Altmetric to help funders assess the reach and return on their investments. Register to join Manisha Bolina of Digital Science and Ginny Hendricks of Crossref on 22nd January www.digital-science.com/using-crossr...
January 9, 2026 at 12:36 PM
Come and hear how our Grant Linking System supports tools like Dimensions and Altmetric to help funders assess the reach and return on their investments. Register to join Manisha Bolina of Digital Science and Ginny Hendricks of Crossref on 22nd January www.digital-science.com/using-crossr...
Reposted by Crossref
Do you want to help improve research communications in all corners of the globe? Come and join the world of non-profit open infrastructure and be part of improving the creation and sharing of knowledge as @crossref.bsky.social new Product Manager, #Metadata.
www.crossref.org/jobs/2026-01...
www.crossref.org/jobs/2026-01...
Product Manager, Metadata - Crossref
Do you want to help improve research communications in all corners of the globe? Come and join the world of non-profit open infrastructure and be part of improving the creation and sharing of knowledg...
www.crossref.org
January 8, 2026 at 11:03 PM
Do you want to help improve research communications in all corners of the globe? Come and join the world of non-profit open infrastructure and be part of improving the creation and sharing of knowledge as @crossref.bsky.social new Product Manager, #Metadata.
www.crossref.org/jobs/2026-01...
www.crossref.org/jobs/2026-01...
Reposted by Crossref
🔎 2025 highlights
🤝 Three years of secured funding
🌍 30 new signatories & 7 supporters from 17 countries
🏛️ In-person moments (Bologna) + ongoing webinars
🧩 7 Working Groups advancing concrete work
🔗 Full 2025 in Review: barcelona-declaration.org/news/2026010...
🤝 Three years of secured funding
🌍 30 new signatories & 7 supporters from 17 countries
🏛️ In-person moments (Bologna) + ongoing webinars
🧩 7 Working Groups advancing concrete work
🔗 Full 2025 in Review: barcelona-declaration.org/news/2026010...
2025 in Review: Building Open Research Information Together
As we step into the first days of 2026, we are taking a moment to reflect on what 2025 has meant for the Barcelona Declaration on Open Research Information
barcelona-declaration.org
January 9, 2026 at 10:15 AM
🔎 2025 highlights
🤝 Three years of secured funding
🌍 30 new signatories & 7 supporters from 17 countries
🏛️ In-person moments (Bologna) + ongoing webinars
🧩 7 Working Groups advancing concrete work
🔗 Full 2025 in Review: barcelona-declaration.org/news/2026010...
🤝 Three years of secured funding
🌍 30 new signatories & 7 supporters from 17 countries
🏛️ In-person moments (Bologna) + ongoing webinars
🧩 7 Working Groups advancing concrete work
🔗 Full 2025 in Review: barcelona-declaration.org/news/2026010...
Proud to be a part of the Barcelona Declaration as part of our open metadata commitments! Congrats to the BD team on a productive 2025 🎉👏🏼
✨ 2025 in Review: Advancing Open Research Information as a Community
In 2025, the Declaration continued to grow as a community-driven initiative, advancing concrete work to improve the openness, transparency, and community governance of research information; with more to come in 2026 🔽
In 2025, the Declaration continued to grow as a community-driven initiative, advancing concrete work to improve the openness, transparency, and community governance of research information; with more to come in 2026 🔽
January 9, 2026 at 12:31 PM
Proud to be a part of the Barcelona Declaration as part of our open metadata commitments! Congrats to the BD team on a productive 2025 🎉👏🏼
Join us for our upcoming webinar on 21 January 2026. Speakers Marie Soulière and Amanda Bartell will cover Crossref metadata, member obligations, COPE's ethics principles, and current guidance on retractions. Open to everyone: https://tinyurl.com/2923k6mj
January 7, 2026 at 5:52 PM
Join us for our upcoming webinar on 21 January 2026. Speakers Marie Soulière and Amanda Bartell will cover Crossref metadata, member obligations, COPE's ethics principles, and current guidance on retractions. Open to everyone: https://tinyurl.com/2923k6mj
We're back in 2026 with our #metadata health check webinars.
Join our upcoming session for a walkthrough of the Crossref Participation Reports tool.
📅 13 January, 2026 at 09:00 UTC
Register today https://crossref.zoom.us/webinar/register/6317664063233/WN_v54qS-lYTsumPFKqcdhm0g
Join our upcoming session for a walkthrough of the Crossref Participation Reports tool.
📅 13 January, 2026 at 09:00 UTC
Register today https://crossref.zoom.us/webinar/register/6317664063233/WN_v54qS-lYTsumPFKqcdhm0g
January 5, 2026 at 5:57 PM
We're back in 2026 with our #metadata health check webinars.
Join our upcoming session for a walkthrough of the Crossref Participation Reports tool.
📅 13 January, 2026 at 09:00 UTC
Register today https://crossref.zoom.us/webinar/register/6317664063233/WN_v54qS-lYTsumPFKqcdhm0g
Join our upcoming session for a walkthrough of the Crossref Participation Reports tool.
📅 13 January, 2026 at 09:00 UTC
Register today https://crossref.zoom.us/webinar/register/6317664063233/WN_v54qS-lYTsumPFKqcdhm0g
A summary of our year. If you didn’t get to catch up on the latest news from us this year, here is a handy overview in just 22-minutes, featuring some new product features, deprecations, financials, and a final farewell to our data centre! doi.org/10.64000/hsd... #openinfrastructure #annualreport
Highlights of a very busy year: our 2025 annual report - Crossref
As we finish celebrating our 25th anniversary, we can look back on a truly transformational year, defined by the successful delivery of several long-planned, foundational projects—as well as updates t...
doi.org
December 20, 2025 at 8:39 PM
A summary of our year. If you didn’t get to catch up on the latest news from us this year, here is a handy overview in just 22-minutes, featuring some new product features, deprecations, financials, and a final farewell to our data centre! doi.org/10.64000/hsd... #openinfrastructure #annualreport
Reposted by Crossref
What an event it's been! Exhausting and exhiliarating. So many thoughful reflections and interesting updates from our Community! I hope you enjoyed @crossref.bsky.social Annual Meeting this year, and if you missed it – have a read of the summary we've finally compiled doi.org/10.64000/0te...
Twenty-five years of Crossref: reflections from the 2025 annual meeting and board election - Crossref
Crossref turned twenty-five this year, and our 2025 Annual Meeting became more than a celebration—it was a shared moment to reflect on how far open scholarly infrastructure has come and where we, as a...
doi.org
December 18, 2025 at 9:09 PM
What an event it's been! Exhausting and exhiliarating. So many thoughful reflections and interesting updates from our Community! I hope you enjoyed @crossref.bsky.social Annual Meeting this year, and if you missed it – have a read of the summary we've finally compiled doi.org/10.64000/0te...
Crossref's 2025 Annual Report is out. From metadata and Research Nexus vwork to infrastructure modernisation and community growth, it captures a year of delivery and change. https://doi.org/10.64000/hsdpk-8cm70
#Crossref #metadata #research #funders #librarians #community
#Crossref #metadata #research #funders #librarians #community
December 20, 2025 at 4:04 PM
Crossref's 2025 Annual Report is out. From metadata and Research Nexus vwork to infrastructure modernisation and community growth, it captures a year of delivery and change. https://doi.org/10.64000/hsdpk-8cm70
#Crossref #metadata #research #funders #librarians #community
#Crossref #metadata #research #funders #librarians #community
Here you go Silvia :-) : community.crossref.org/t/how-do-i-s...
December 18, 2025 at 1:54 PM
Here you go Silvia :-) : community.crossref.org/t/how-do-i-s...
Reposted by Crossref
Very important notice for academic cybersecurity. Could CrossRef made bulk doi validation tools as browser plugins, VSIX, etc., for pdfs, webpages, etc? They could apply the DOI format rules to all DOI-like links and perhaps even pre-validate DOIs before the user (human or bot) clicks on them.
Fake DOI-like strings are increasingly common. Learn how to check whether a DOI is valid, how prefixes work, and more. https://tinyurl.com/599yk8yv
#metadata #research #funders #librarians #community
#metadata #research #funders #librarians #community
December 12, 2025 at 11:11 AM
Very important notice for academic cybersecurity. Could CrossRef made bulk doi validation tools as browser plugins, VSIX, etc., for pdfs, webpages, etc? They could apply the DOI format rules to all DOI-like links and perhaps even pre-validate DOIs before the user (human or bot) clicks on them.
Our new lowest membership fee tier takes effect in January 2026, and it will apply to eligible small organisations, making participation more accessible for over 3,000 members.
Read how this change supports a more inclusive research ecosystem. https://doi.org/10.64000/j2bgz-v7h50
Read how this change supports a more inclusive research ecosystem. https://doi.org/10.64000/j2bgz-v7h50
December 17, 2025 at 1:05 AM
Our new lowest membership fee tier takes effect in January 2026, and it will apply to eligible small organisations, making participation more accessible for over 3,000 members.
Read how this change supports a more inclusive research ecosystem. https://doi.org/10.64000/j2bgz-v7h50
Read how this change supports a more inclusive research ecosystem. https://doi.org/10.64000/j2bgz-v7h50
Join us for a webinar on maintaining the integrity of the scholarly record, featuring Marie Soulière and Amanda Bartell. We will discuss Crossref member obligations, metadata use, COPE ethics principles, and the latest retraction guidance.
21 January 2026, 2:30 PM IST. https://tinyurl.com/2923k6mj
21 January 2026, 2:30 PM IST. https://tinyurl.com/2923k6mj
December 15, 2025 at 5:08 PM
Join us for a webinar on maintaining the integrity of the scholarly record, featuring Marie Soulière and Amanda Bartell. We will discuss Crossref member obligations, metadata use, COPE ethics principles, and the latest retraction guidance.
21 January 2026, 2:30 PM IST. https://tinyurl.com/2923k6mj
21 January 2026, 2:30 PM IST. https://tinyurl.com/2923k6mj
We are hiring a UX Researcher to support user research and system redesign across our open scholarly infrastructure programs. Remote, full-time.
Apply by December 31, 2025.
Details: https://www.crossref.org/jobs/2025-12-08-ux-researcher/
#jobs #hiring #remotework
Apply by December 31, 2025.
Details: https://www.crossref.org/jobs/2025-12-08-ux-researcher/
#jobs #hiring #remotework
December 12, 2025 at 10:22 PM
We are hiring a UX Researcher to support user research and system redesign across our open scholarly infrastructure programs. Remote, full-time.
Apply by December 31, 2025.
Details: https://www.crossref.org/jobs/2025-12-08-ux-researcher/
#jobs #hiring #remotework
Apply by December 31, 2025.
Details: https://www.crossref.org/jobs/2025-12-08-ux-researcher/
#jobs #hiring #remotework
Ending a DOI with a special character can cause it to fail when resolved. This month's ticket covers the allowed characters for suffixes and the key rules for constructing valid identifiers. https://tinyurl.com/3ydap2kh
#metadata #research #funders #librarians #community
#metadata #research #funders #librarians #community
December 12, 2025 at 8:10 PM
Ending a DOI with a special character can cause it to fail when resolved. This month's ticket covers the allowed characters for suffixes and the key rules for constructing valid identifiers. https://tinyurl.com/3ydap2kh
#metadata #research #funders #librarians #community
#metadata #research #funders #librarians #community
We could not agree more! Our infrastructure is ready for everyone to use and start adding these funding connections en masse. Thanks Hans, Katharina, and Zoe, for highlighting this important need! 🙏🏼
💥New: Open funder metadata is essential for true research transparency
✍️ @hldejonge.bsky.social Katharina Rieck & Zoé Ancion
#OpenResearch #ResearchFunding #ScholComm
✍️ @hldejonge.bsky.social Katharina Rieck & Zoé Ancion
#OpenResearch #ResearchFunding #ScholComm
Open funder metadata is essential for true research transparency - Impact of Social Sciences
Funder metadata is vital to understanding where research comes from & how it is used. But, to be truly effective it needs to be open to all.
blogs.lse.ac.uk
December 11, 2025 at 5:59 PM
We could not agree more! Our infrastructure is ready for everyone to use and start adding these funding connections en masse. Thanks Hans, Katharina, and Zoe, for highlighting this important need! 🙏🏼
Fake DOI-like strings are increasingly common. Learn how to check whether a DOI is valid, how prefixes work, and more. https://tinyurl.com/599yk8yv
#metadata #research #funders #librarians #community
#metadata #research #funders #librarians #community
December 11, 2025 at 5:27 PM
Fake DOI-like strings are increasingly common. Learn how to check whether a DOI is valid, how prefixes work, and more. https://tinyurl.com/599yk8yv
#metadata #research #funders #librarians #community
#metadata #research #funders #librarians #community