Not exactly sure what your exact question is - #page=42
only means that when opening your pdf it will jump to that page; it will not fragment your document in the sense of “show only pages 42 and following”…
What you want, perhaps, is to embed specific pages into your note? Maybe you should have a look at this new plugin - I haven’t tried it myself and according to the discussions there still seem to be some installation problems in this early development stage; but that might be what you are looking for!