wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/dcfc750f-f1d6-4ccf-a0c1-bc5e6ba8aa3d/4DNFIG7FDIN5.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/dcfc750f-f1d6-4ccf-a0c1-bc5e6ba8aa3d/4DNFIG7FDIN5.r3d Chr4C_Chr2A_28.r3d
test "f4e5f87760c7764b47889bfd49ea4b98" = "$(md5sum Chr4C_Chr2A_28.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIG7FDIN5