wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/e2a6cb49-81dd-449b-ac9e-94ed74cb62b0/4DNFIDQNZQ7D.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/e2a6cb49-81dd-449b-ac9e-94ed74cb62b0/4DNFIDQNZQ7D.r3d Chr4C_Chr2A_21.r3d
test "0e17553dbe97510f7b12e2b40f045d59" = "$(md5sum Chr4C_Chr2A_21.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIDQNZQ7D