wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/194f3c39-218d-4f5c-a474-c5782677cb72/4DNFIFPUS31U.bam
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/194f3c39-218d-4f5c-a474-c5782677cb72/4DNFIFPUS31U.bam P22-CTCF-wt2.bam
test "b48b69a7bbb663baa3ba79c9c5c6498d" = "$(md5sum P22-CTCF-wt2.bam)"
drs get -d https://data.4dnucleome.org 4DNFIFPUS31U