System maintenance of Tsukuba Repository will be performed as follows.
If you cannot access to the repository during the maintenance, please wait for a while and then please access to the repository after a short time.

　Thursday, 2023/6/22, 13:00-14:30, 16:00-17:00 (extention)

We apologize for any inconvenience this may cause to our users and appreciate your understanding and cooperation.