The Rubik font (rubik-var.woff2, variable weight 300-900, latin subset) is
copyright the Rubik Project Authors (https://github.com/googlefonts/rubik),
and is licensed under the SIL Open Font License, Version 1.1.

The full license text is available at:
https://openfontlicense.org
and in the upstream repository. The font is shipped here unmodified, as served
by Google Fonts (rubik v31).