wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/2078a0c8-8f97-4a8b-b557-53d867179697/4DNFI7FNBUM2.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/2078a0c8-8f97-4a8b-b557-53d867179697/4DNFI7FNBUM2.r3d Chr4A_Nucl_101.r3d
test "9a897df06cbf35fcf50a0f92afae30b3" = "$(md5sum Chr4A_Nucl_101.r3d)"
drs get -d https://data.4dnucleome.org 4DNFI7FNBUM2