In where I live, there's a sweet wine made from a grape from greece, which recipe and genetics has been conserved for a few hundred years because one rich guy stated so in his will, so he gave away a building (was an hospital, now a museum), and in exchange, their heirs must recieve 2 boxes of 6 bottles of such wine each year, or otherwise the building lease is off.

Something like that might work

Start a cult of data protectors, maybe your kids?

Depending where you’re at in life, you could probably raise your kids to understand that keeping the site online is paramount.

Similar to those wise families that teach their kids to take care of their elders.

Adding money might help. We have a small scale investment in our cap table from a German family who have kept their money together for 650 years…