To bundle*.xml and collection*.xml (including document), add
        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:resource:resource.hyb2allbundles_online</lid_reference>
            <reference_type>has_resource</reference_type>
        </Internal_Reference>

~/PDS4/20ingests/202104/sbn.hyb2-20210429/resource_hyb2allbundles.xml:
        <logical_identifier>urn:nasa:pds:context:resource:resource.hyb2allbundles_online</...>
        <url>https://sbn.psi.edu/pds/resource/hayabusa2/</...>