Interestingly, the dead tree option did not occur to me for a moment. Once it is printed, the problem almost goes away - you can do the publicity blitz, but als

Interestingly, the dead tree option did not occur to me for a moment. Once it is printed, the problem almost goes away - you can do the publicity blitz, but also lodge the copy with the notary. Wrt your second question, I am not sure - I think the latter. For something to be considered "prior art" I believe it has to be publicised.