Due to an unexpected incident, you may have found that uploads were slow and reports were stuck processing, integration users may have also been affected in Turnitin, Turnitin UK, iThenticate V1 and V2, Crossref Similarity Check, Similarity, SimCheck and Originality today. We are pleased to advise that service has been restored.
We regret any inconvenience this may have caused if you were impacted by today’s incident.
Posted Nov 13, 2025 - 08:56 PST
Update
We are continuing to investigate this issue.
Posted Nov 13, 2025 - 08:38 PST
Update
We are continuing to investigate this issue.
Posted Nov 13, 2025 - 08:35 PST
Update
We are continuing to investigate this issue.
Posted Nov 13, 2025 - 07:28 PST
Investigating
We’ve run into some issues.
Turnitin, Turnitin UK, iThenticate V2, Crossref Similarity Check, Similarity, SimCheck, Originality are currently experiencing an unexpected service incident.
During this time you may find that uploads are slow and reports are stuck processing, integration users may also be affected.
We invite you to track the progress of this incident while we work to bring the service back to optimum health.
Posted Nov 13, 2025 - 07:03 PST
This incident affected: iThenticate (iThenticate Report Processing Time), Americas (US environment) (Paper Submissions, Report Processing Time), Europe (EU environment) (Paper Submissions, Report Processing Time), Asia Pacific (Asia Pacific environment) (Paper Submissions, Report Processing Time), Crossref Similarity Check ((v1) Similarity Reports Generation, (v2) Paper Submissions Processing, (v2) Similarity Reports Generation), iThenticate 2.0 (iThenticate Report Processing Time, Similarity Report Generation), Turnitin (Turnitin Paper Submissions, Turnitin Report Processing Time), and Turnitin UK (Turnitin UK Paper Submissions, Turnitin UK Report Processing Time).