Hello all,
As every year, Google Summer of Code support student developers all around the world to work on projects. Wikimedia as an organization is part of the mentors.
A list of projects is already available, you can also add your own. One of these projects is signed statements for Wikidata: developing the technical feature that will allow institutions to donate verified and sourced information and increase the quality of the data.
If you want to participate or become a mentor, feel free to check the information on the pages linked above.
Thanks,