A 6-hour maintenance window is planned for Turnitin and iThenticate on October 25, 2025.  This includes access through ICON as well as dedicated websites for Turnitin and iThenticate.  Additional information will be available at https://turnitin.statuspage.io/incidents/8g1y6n437s2q.  The following services will potentially experience intermittent availability during this time.  

Originality (including all Integrations)
SimCheck (including Integrations)
Similarity (including Integrations)
Turnitin Core API (including Integrations)
Crossref Similarity Check
Authorship
Turnitin and TurnitinUK (including all Integrations)
Paper to Digital
Gradescope (Code Similarity Reports, integration with LTI 1.3 and exporting submissions only)
Roster Sync
Feedback Studio for iOS
iThenticate 2.0
iThenticate
iThenticate (via API)
Canvas Plagiarism Framework
Integrations through LTI 1.3