Note made on iPad disappeared when syncing to Mac

Yes, I suspect it is permanently gone, but is there a way to prevent this in the future? Is this a know bug? It seems like a very poor design if I cannot trust that something I created may or may not vanish without my intervention. In this case the icloud sync operation itself caused the note to disappear and be replaced with the previous note, directly in front of my eyes while touching nothing. The note was never uploaded to icloud, I believe, or at least never appeared on the macbook. I suspect it is a bug in the sync algorithm, perhaps a small drift in the clocks of my two devices or something that isn't correctly handled. I will submit a bug report to Apple. Unfortunately, it seems the solution is to not trust icloud for anything important in the future.