$ skopeo copy oci-archive:/var/lib/mock/f42-flatpak-container-build-59153010-6571322/root/chroot_tmpdir/nomacs-flatpak-3.21.0-2.aarch64.oci.tar docker://candidate-registry.fedoraproject.org/nomacs:f42-flatpak-container-build-132050327-aarch64-20250427231821
Getting image source signatures
Copying blob sha256:69385b97aa0c3964b44fa3a3844b0903d3e04f32797c59336404993460310802
Copying config sha256:5ae47da788a6f2b0e3c782e26a5a170d01a9832ea25832673bad695881f140da
Writing manifest to image destination