Screen shot of [Zenodo](http://zenodo.org) page for ["Galileo's New Order,"](https://wwtambassadors.org/wwt/tours/galileos-new-order) a [WorldWide Telescope](http://worldwidetelescope.org) Tour file, showing that essentially any file format can be assigned a DOI.  The DOI link for this entry is http://dx.doi.org/10.5281/zenodo.7145 \cite{Goodman7145}.