wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/1d4287b7-9b5a-4eca-9aef-a0d9004c912f/4DNFI1OS561N.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/1d4287b7-9b5a-4eca-9aef-a0d9004c912f/4DNFI1OS561N.flex 006010033.flex
test "16339feeb200cb6a5e1a8d6b7ebacc44" = "$(md5sum 006010033.flex)"
drs get -d https://data.4dnucleome.org 4DNFI1OS561N