Sorry for the confusing terminology, we identified this as being an issue and are currently working on improving this.
You can download your signed add-on by clicking on the version number on the page you called “dashboard”. On the page for that version, you will see a file link at the top.
“Preliminary” is most probably what you want. We realize that term is misleading, so is Full nomination will be available in 10 days. Please note that those terms will be renamed soon. The difference between those two is that only “fully” approved add-ons are allowed to be installed via side-loading. For more information, have a look at the
signing wiki page.