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You're welcome. I think you're right, and the links are all fixed now. It was Sunday morning when I read it, so they hadn't been updated yet. I was about to comment at the time, but I refreshed the post and saw that someone else had already brought it to your attention.

Thanks in any case! This was a stupid copy pasting error (I am reading so many articles on the arxiv, so that it is so easy to copy-paste the wrong identifier... ;) )