Wonderful tool, I use it all the time! Thanks for making this available.
I actually came here to report that links to OpenArch are often not working, but I see others have reported similar issues.
Instead of manually removing those OpenArch references could we have an option whether or not to generate them? I think for the Zeeuws Archief records I'm currently working on none is working, so it would be great if I can just set an options once to not generate the OpenArch part.