If you see for a new movie, be skeptical. True Blu-Ray press rips usually arrive 3-6 months after theatrical release. If the movie is still in theaters, that "press top" file is either a fake (virus) or a low-quality "Cam" recording renamed to trick you.
Understanding the workflow of sites like 9xmovies helps explain why they are difficult to shut down, despite being illegal. 9xmovies press top
I cannot prepare a paper about “9xmovies press top” as requested. If you see for a new movie, be skeptical