Continued Problems with load on the Event Data service.
Investigating - We’re still experiencing problems with load on the Event Data service. Users may see their queries time out when using the API. We’re investigating and will confirm when the issue is resolved.
Jul 4, 13:15 UTC
APIs Degraded Performance
Public REST API ? Operational
Polite REST API ? Operational
OAI-PMH ? Operational
XML API ? Operational
Event Data Query API ? Degraded Performance
OpenURL ? Operational
Crossmark dialog server ? Operational
Content negotiation ? Operational
Metadata Plus Operational
Plus REST API ? Operational
Plus OAI-PMH ? Operational
XML Snapshots ? Operational
JSON Snapshots ? Operational
Sites Operational
Crossref website ? Operational
Crossref support ? Operational
Metadata search ? Operational
Content Registration Operational
Admin tool ? Operational
Test admin tool ? Operational
External dependencies Operational
AWS cloudFront ? Operational
Handle servers ? Operational
Similarity Check via iThenticate (Turnitin) status found at turnitin.status.io ? Operational
Meta Operational
deliberately-unreliable server ? Operational
Beta Operational
Participation Reports ? 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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Content Negotiation Response Time
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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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Past Incidents
May 25, 2020

No incidents reported today.

May 24, 2020

No incidents reported.

May 23, 2020

No incidents reported.

May 22, 2020
Unplanned maintenance (v0.29.3)
Completed - The scheduled maintenance has been completed.
May 22, 18:15 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 22, 18:00 UTC
Scheduled - We will be undergoing unplanned maintenance - release v0.29.3 - during this time. Our members may experience delays in deposit system admin (doi.crossref.org) and Metadata Manager (crossref.org/metadatamanager) processing. Deposits submitted during this time will be stored and processed after the maintenance has been completed
May 22, 17:57 UTC
May 21, 2020

No incidents reported.

May 20, 2020
Unplanned maintenance (v0.29.2): correcting errors from yesterday's release
Resolved - We fixed the problem that caused errors during yesterday's release during this unplanned maintenance. As a result, the the admin tool (doi.crossref.org) and Metadata Manager were degraded (accepting submissions, but not processing those submissions) from 16:41 to 16:52 UTC today. Both are now accepting and processing your submissions.
May 20, 04:30 UTC
May 19, 2020
Problems with today's deployment
Resolved - Unfortunately, due to the problems with today's deployment, we have rolled back release v0.29.0. The admin tool and Metadata Manager are now fully operational.
May 19, 18:00 UTC
Investigating - We had problems with today's deployment. We're working on a fix. Members using the admin tool (test.crossref.org and doi.crossref.org) and Metadata Manager may experience problems while we remedy the issue.
May 19, 17:44 UTC
19 May - weekly maintenance, release v0.29.0
Completed - The scheduled maintenance has been completed.
May 19, 16:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 19, 15:03 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.29.0 - during this time. Our members may experience delays in deposit system admin (doi.crossref.org) and Metadata Manager (crossref.org/metadatamanager) processing. Deposits submitted during this time will be stored and processed after the maintenance has been completed.
May 18, 14:47 UTC
May 18, 2020

No incidents reported.

May 17, 2020

No incidents reported.

May 16, 2020
"CrossMark CDN" and "Assets CDN" CloudFront TLS certificates expired
Resolved - Between 2020-05-16 and 2020-05-18 our Crossmark widget was not visible to most users, and for users who did access the dialog via PDF, the dialog would have displayed without styling or images, or shown a security error.

The TLS certificate that we used for crossmark-cdn.crossref.org and assets.crossref.org expired. We fixed the certificate on 2020-05-18. We took action to ensure this won't happen again by using auto-renewing certificates. We also reviewed all of our content delivery network configuration to confirm that all certificates are auto-renewing.
May 16, 05:00 UTC
May 15, 2020

No incidents reported.

May 14, 2020

No incidents reported.

May 13, 2020

No incidents reported.

May 12, 2020
12 May - weekly maintenance, release v0.28.0
Completed - The scheduled maintenance has been completed.
May 12, 16:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 12, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.28.0 - during this time. Our members may experience delays in deposit system admin (doi.crossref.org) and Metadata Manager (crossref.org/metadatamanager) processing. Deposits submitted during this time will be stored and processed after the maintenance has been completed.
May 11, 15:43 UTC
Metadata Plus JSON Snapshots problems
Resolved - This incident has been resolved. The most recent JSON snapshot file is now available. We have removed the duplicated records.
May 12, 15:33 UTC
Identified - There is an issue with the most recent JSON snapshot file. The most recent JSON snapshot includes duplicate records for DOIs that were in previous snapshots, which has caused the snapshot to be nearly double its true size. We're working on removing the duplicate records from the most recent JSON snapshot file.
May 7, 16:20 UTC
May 11, 2020

No incidents reported.

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