[ajtulloch]

The OP article was submitted on Mon, 30 Nov 2020 23:02:47 - the arXiv identifier 2012.xyz means it was published in the 12th month of 2020, not 2012.

[QuesnayJr]

Oh God that's embarrassing. I really thought that's how arXiv identifiers worked, and have been under the wrong impression for some time.