wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/40ba0a6e-acc9-4134-bd92-a711d5bf17bf/4DNFIHT9KYMF.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/40ba0a6e-acc9-4134-bd92-a711d5bf17bf/4DNFIHT9KYMF.r3d Chr4A_Nucl_90.r3d
test "869d5cc87f10ca5ee9d3856f013a6f82" = "$(md5sum Chr4A_Nucl_90.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIHT9KYMF