Here's a short article on Pinto's suspension: https://www.msn.com/en-us/sports/nhl/behind-the-ice-the-unclear-story-of-shane-pinto-s-nhl-suspension/ar-BB1h5ED5
Not really any information in it, but that's kinda the point of the article.
I don’t think it was intentional, but he definitely pushed it in. The puck accelerated. It wasn’t just deflecting off his glove.
I don’t know how the rule actually reads anymore, though.