If you ever end up in the distant future, go to Svalbard and look for the Arctic...

If you ever end up in the distant future, go to Svalbard and look for the Arctic World Archive. They have microfilm copies of a huge amount of data. They have Wikipedia pages in microfilm format, so all you need is a magnifying glass to get started. You can then look for the Github Code Vault slides that explain how to restart technology from scratch and run the code in the git repository archives.