but it has nevertheless endowed its teachings with the authority of the supreme ordinary magisterium which ordinary and so clearly authentic magisterium must be accepted docilely and sincerely by all the faithful, according to the mind of the Council regarding the nature and purposes of the individual docuмents. - Paul VI, General Audience, January 12, 1966.
Note the equivocation:
On the one hand, it is the “supreme ordinary magisterium” (whatever that is).
A few words later, that phrase is modified by calling it “authentic magisterium,” which is by definition not infallible:
http://archives.sspx.org/miscellaneous/infallible_magisterium.htm Not infallible in an extraordinary,solemn manner, but according to the Supreme Ordinary Magisterium:
Finally, and also by definition, nothing can be part of the ordinary magisterium which lacks universality (both geographically and temporally).
To deny this is to suggest that novelty can be magisterial.