News

2025.06.20 Maintenance / System Issues

The connection to the Tokai National Higher Education and Research System Academic Digital Archive is unstable.

The Tokai National Higher Education and Research System Academic Digital Archive is currently experiencing unstable connectivity.

We are actively investigating the cause and taking steps to address the issue.


We apologize for the inconvenience and appreciate your understanding.

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[Update as of June 23, 2025]

The connection remains unstable, and it is currently not possible to access the site via external links.

We apologize for the inconvenience, but please enter the following address directly into your browser's address bar to access the site:

https://da.adm.thers.ac.jp/en