[The answer comes a bit later, because Pudding interrupted and there was a bit of shouting to mitigate.]

Fitz collected most of the paperwork from the town hall so the most updated copy should be in his room. A slightly more out-dated copy is in the Invincible third floor common room we used during the flood. A more outdated copy than that is on the network, though I haven't found where yet.

Apparently there is a date. 1969. That matches the wear pattern on the keys. We will check if there is a month or day included just in case.