wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/e9fd877d-add1-4920-be9d-fe0118c8a78c/4DNFI5CG8Q6Z.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/e9fd877d-add1-4920-be9d-fe0118c8a78c/4DNFI5CG8Q6Z.r3d Chr4A_SC35_10.r3d
test "f980488996e8fcc88e7e567dbaff4ba9" = "$(md5sum Chr4A_SC35_10.r3d)"
drs get -d https://data.4dnucleome.org 4DNFI5CG8Q6Z