wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/fede2afc-d88e-41ae-8229-58d44e24fe2f/4DNFIO2TNQFU.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/fede2afc-d88e-41ae-8229-58d44e24fe2f/4DNFIO2TNQFU.flex 005010015.flex
test "227caebff475fb8c6d49ed989950da96" = "$(md5sum 005010015.flex)"
drs get -d https://data.4dnucleome.org 4DNFIO2TNQFU