
The seed was found on 18th of July 2020 at around 5:45 AM UTC.
Version: Beta 1.7.3 Coordinates: X=61.48~, Y=75, Z=-68.73~ Seed: 2151901553968352745 OR 8091867987493326313 (both work)

Why 2 seeds? There are actually 2^16 (=65536) seeds that will all generate this identical world. This is because these older versions of Minecraft used only 48 of the bits of the seed. Here's the formula for getting all of them, as explained by Earthcomputer:
25357015387625 + 2^48k, 0
Source: https://minecraftathome.com/minecraftho ... .php?id=78