The issue has been resolved.
Objects created via copy-object-range in sof1 since Monday cannot be retrieved
We have identified an issue where objects create via the 'copy-object-range' API since Monday cannot be retrieved. Invalid data will be returned. The issue is limited to the sof1 zone. The data is safe, but a bug prevents it from being returned correctly. We are actively working on a fix. Once deployed, all objects will be accessible again.