$ skopeo copy oci-archive:/var/lib/mock/f42-flatpak-container-build-59156135-6571353/root/chroot_tmpdir/pychess-flatpak-1.0.3-8.x86_64.oci.tar docker://candidate-registry.fedoraproject.org/pychess:f42-flatpak-container-build-132054520-x86_64-20250428012708
Getting image source signatures
Copying blob sha256:a30b3e6afb81d7c08c3c7694f2b50fd65f2cccb56fe0d4980563fb5086811ecd
Copying config sha256:f222fd2f88f1f4b29b3abfc67ce356965d9eb15ff26c0edbd1692f79fd0d6b1c
Writing manifest to image destination