Crossref experienced a major incident on June 16, 2026 affecting Participation reports and Web deposit form, lasting 3h 44m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 16, 2026, 08:15 AM UTC
We are investigating an incident with multiple tools and services including: - Web deposit form (https://apps.crossref.org/webDeposit) - Participation Reports (https://crossref.org/members/prep/) - Browsable title list (https://www.crossref.org/titleList/) - Other reports and forms under crossref.org Starting from around 04.16am UTC on 16 June, users attempting to access these tools have been receiving 503 errors. Our technical team are investigating. We'll provide updates as soon as we know more.
- monitoring Jun 16, 2026, 08:41 AM UTC
A fix has been implemented. The services are available again and working as expected. We are now monitoring their performance and continuing to investigate the cause of the incident.
- resolved Jun 16, 2026, 11:59 AM UTC
Participation Reports, the web deposit form, and other small apps and reports have been fully operational again since about 08.30am UTC.