It is occasionally necessary to do something which changes an Arctos URL, and when doing so it is important to maintain a path to the data. Arctos provides HTTP redirect capability, under which one URL (, for example) can be automatically redirected to another ( Examples of where this is important include:

To do this,

Ensure that the “old” URL returns a 404 HTTP status code. For specimens, you may do this in two ways:

Insert into table REDIRECT (Manage Data/Tools/Redirects, or use the redirect bulkloader) old and new paths. For example, if DGR:Mamm:123 is recataloged as MSB:Mamm:456, enter: old_path=/guid/DGR:Mamm:123; new_path=/guid/MSB:Mamm:456.