The game has not been released. Team Cherry has not announced a release date beyond "it will happen eventually." Therefore, any file you find labeled falls into one of three categories:
Furthermore, even if a “Hot NSP” were to appear, the modern Switch emulator (Ryujinx/Yuzu) landscape requires specific prod.keys. The "heat" would dissipate instantly if users realized the game was an unoptimized beta missing three of the promised 165+ new enemies. hollow+knight+silksong+nsp+hot