This collection of data files is being shared with you through Arvados. You can download individual files listed below. To download the entire directory tree with wget, try:
$ wget --mirror --no-parent --no-host --cut-dirs=1 https://5ae7b2d0f4e1b4edb3aa7aea7b0215d6-56.collections.ac2it.arvadosapi.com/_/