[Apology for system failure]
The failure of DOI activation for articles published on J-STAGE on March 5 and 6
(March 6, 2023)

Due to a problem at the Japan Link Center, which is in charge of J-STAGE DOI registration processing since the morning of March 4(JST), the DOIs of the articles published on J-STAGE on March 5 and 6 are not activated at this time.
List of journals whose DOIs are not activated for the latest articles (PDF)
We deeply apologize for the inconvenience caused.
We will address the failure so that the DOIs can be enabled as soon as possible.

(Added on March 8) Japan Link Center was restored on Monday, March 6, and DOI registration is now available, and we have confirmed that DOIs that were not available due to this outage are now available.
We deeply apologize for any inconvenience and concern this may have caused to our users.