[Apology for system failure]
Notice of communication failure and recovery with Japan Link Center (April, 2025)

May 8, 2025

J-STAGE experienced a communication failure with the Japan Link Center from around 5:28 on April 25, 2025 to around 5:26 on April 28, 2025(UTC).

This affected the following J-STAGE functions, but as of April 30, all have been restored.

- DOI
DOIs of articles published on J-STAGE on April 26, 27, and 28, 2025, could not be resolved.
Recovery status: DOIs have been resolved since around 18:00 on April 28(UTC), and recovery has been completed.

- Reference linking
Some reference links were not added to articles published on J-STAGE after April 26.
Recovery status: Reference links were added between April 28 and 29, and recovery has been completed.

- Cited-by linking
No cited-by links have been added to articles on J-STAGE since 5:28 on April 25(UTC).
Recovery status: Cited-by links were added on April 29, and recovery has been completed.

We sincerely apologize for any inconvenience and concern this may have caused.