All Systems Operational
APIs Operational
Public REST API ? Operational
Polite REST API ? Operational
OAI-PMH ? Operational
XML API ? Operational
Event Data Query API ? Operational
OpenURL ? Operational
Crossmark dialog server ? Operational
Public content negotiation ? Operational
Polite content negotiation ? Operational
Metadata Plus Operational
Plus REST API ? Operational
Plus OAI-PMH ? Operational
XML Snapshots ? Operational
JSON Snapshots ? Operational
Plus content negotiation ? Operational
Sites Operational
Crossref website ? Operational
Crossref support ? Operational
Metadata search ? Operational
Participation reports ? Operational
Content Registration Operational
Admin tool ? Operational
Test admin tool ? Operational
External dependencies Operational
Handle servers ? Operational
Similarity Check via iThenticate from Turnitin - status found at https://turnitin.statuspage.io/ ? Operational
AWS cloudfront Operational
Meta Operational
deliberately-unreliable server ? Operational
Demo Auth ? Operational
Beta Operational
Metadata Manager ? Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
System Metrics Month Week Day
Public REST API Response Time
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Public REST API Uptime
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Polite REST API Response Time
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Polite REST API Uptime
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Plus REST API Response Time
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Plus REST API Uptime
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Plus OAI-PMH Response Time
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Plus OAI-PMH Uptime
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OpenURL Response Time
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OpenURL Uptime
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Public Content Negotiation Response Time
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Public Content Negotiation Uptime
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Polite Content Negotiation Response Time
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Polite Content Negotiation Uptime
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Plus Content Negotiation Response Time
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Plus Content Negotiation Uptime
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Crossmark Response Time
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Crossmark Uptime
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Event Data Query API Response Time
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Event Data Query API Uptime
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Crossref Metadata Search
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Past Incidents
Nov 29, 2022

No incidents reported today.

Nov 28, 2022

No incidents reported.

Nov 27, 2022

No incidents reported.

Nov 26, 2022

No incidents reported.

Nov 25, 2022
Possible problem with Crossref content submission - now solved
Resolved - The missing submissions have all been processed, so we're closing this issue.
Nov 25, 10:54 UTC
Update - We will continue to monitor this until tomorrow, but the backlog of files seem to be moving well through the queue and we expect them all to have been processed today. Thanks for your patience if you've been waiting for one of your submissions!
Nov 24, 16:24 UTC
Monitoring - We believe we have identified the problem and have a fix in place.

Some registrations were moving through the queue normally, but some were not reaching the queue, and this seems to have been caused by an unreliable internal service. We’ll be working on the service in future to avoid this happening again.

In the meantime, all missing submissions are now moving through the queue, and should be processed over the course of the day. We will continue to monitor the server during this time.
Nov 24, 12:40 UTC
Investigating - We’ve received reports of content submissions not appearing in the submission queue and no emails being received to confirm that registration has completed. The team is investigating the problem, and we'll be back in contact when we know more.
Nov 24, 09:01 UTC
Nov 24, 2022
Nov 23, 2022

No incidents reported.

Nov 22, 2022

No incidents reported.

Nov 21, 2022

No incidents reported.

Nov 20, 2022

No incidents reported.

Nov 19, 2022

No incidents reported.

Nov 18, 2022

No incidents reported.

Nov 17, 2022

No incidents reported.

Nov 16, 2022
Delayed content submission processing between 0720 UTC and 0800 UTC today
Resolved - This incident has been resolved.
Nov 16, 18:34 UTC
Update - We have added tools to help with additional diagnosis of the problems that occurred with the content registration system earlier today. Our team is continuing to monitor this issue.
Nov 15, 18:01 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 15, 13:53 UTC
Investigating - There was a problem with our content registration system this morning between 0720 and 0800 UTC. Submissions will have been delayed, but they are processing through now. Our team are investigating and we'll report back when we know more.
Nov 15, 08:50 UTC
Nov 15, 2022
15 November - weekly maintenance, release v0.143.0
Completed - The scheduled maintenance has been completed.
Nov 15, 17:00 UTC
Verifying - Verification is currently underway for the maintenance items.
Nov 15, 16:43 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 15, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.143.0 - on Tuesday, 15 November from 1500 to 1700 UTC. Our members may experience delays in deposit system admin tool (doi.crossref.org) processing. Deposits submitted during this time will be stored and processed after the maintenance has been completed.
Nov 14, 16:34 UTC
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