wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/6ff8eadc-1dd7-4a0f-a855-01327880eda4/4DNFIIY3XD8S.hdf5
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/6ff8eadc-1dd7-4a0f-a855-01327880eda4/4DNFIIY3XD8S.hdf5 121818ROI08041.hdf
test "3a3565ebc7d1e3cb4eb3f47449ae5146" = "$(md5sum 121818ROI08041.hdf)"
drs get -d https://data.4dnucleome.org 4DNFIIY3XD8S