It's a new hex5week, and #hexunixtime has a new feature. Give the `hexunixtime` function the name of a format for more info. EG:
> hexunixtime hex5month
069Bm
most significant digit: increments every ~4355 years (137438953472 seconds)
least significant digit: increments every ~24.3 days (2097152 seconds), odd hex values only
0xFF498 seconds until next increment
Documented:
https://hg.sr.ht/~travisfw/hexunixtime/raw/README.adoc?rev=tip#hexunixtime
#asciidoc renderer addon
https://github.com/asciidoctor/asciidoctor-browser-extension