having a .zip of the world, also helps, even though being a lossy one. i mean - always have one of the latest models around, ready for spin. we can easily argue llms are killing the IT sphere, but they also are a reasonable insurance against doomsday.
Or few days. But I can also imagine being power independent with your own robotry to sustain even longer power offs. But you’ll also need be very well hidden as society likely collapses in matter of days if this ever happens.