It is not a sock puppet, but rather a semi-automated account for making very low-rate repetitive interwiki management that would be extremely tedious to do manually.
Administrators: if this bot is malfunctioning or causing harm, please block it and then send owner a message
Note from the owner: I am not able to understand you language, I know that a bot should be flagged, but since this one is only used for a single article at time manually assisted, it shouldn't harm.