Now see that is scary, it seems if we didn't have it in our personal collection - we are a bit jacked, cos we wont get find the original so easy out online again (...)
That is true for anything that you don't own a readable physical copy for (by physical, I mean, it may be well-preserved files on hard drives). The Internet is ever-changing and no one is liable for preserving anything that some other people consider some kind of immutable legacy.