The MDZ provider (api.digitale-sammlungen.de) now supports IIIF v3 and has changed the scheme for uniquely identifying
Fortunately, v2 has not yet been deprecated though we do not yet know if and when this may happen.
There is extra item and sub-item metadata (e.g. dates for issues in multi-item volumes; more detailed catalog information) in the v3 manifests, which may be useful.
The MDZ provider (api.digitale-sammlungen.de) now supports IIIF v3 and has changed the scheme for uniquely identifying
Fortunately, v2 has not yet been deprecated though we do not yet know if and when this may happen.
There is extra item and sub-item metadata (e.g. dates for issues in multi-item volumes; more detailed catalog information) in the v3 manifests, which may be useful.