I just got a verification from Dr. Anett C. Oelschlaegel [1] that the content of Wp/tyv is indeed Tyvan.
Therefore, let's proceed with the approval of tyv.wiki. The activity on the test project also kept up since we first talked about this in March [2] :)
[1] http://www.eth.mpg.de/cms/en/people/d/oelschl/
[2] https://toolserver.org/~pathoschild/catanalysis/?cat=0&title=wp/tyv&wiki=incubatorwiki_p#distribution_201305