wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/1d03a7c2-812f-4313-bd5a-6fa3411547ab/4DNFILGOAP8T.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/1d03a7c2-812f-4313-bd5a-6fa3411547ab/4DNFILGOAP8T.r3d Chr4C_SC35_25.r3d
test "d5a22732ccbd852f371c0bdb75820465" = "$(md5sum Chr4C_SC35_25.r3d)"
drs get -d https://data.4dnucleome.org 4DNFILGOAP8T