Planned system maintenance on 13th August

There will be a planned system maintenance from 03:30 through 04:30 on 13th August (JST). During the maintenance, access to PubAnnotation will be restricted. We are sorry for inconvenience.

System access problem on 18th July

Due to an accidental problem in the network facility, the service was unavailable for about 30 hours. The problem is now fixed. We are very sorry for the trouble you may have experienced due to the problem.