Indeed, the link to Bianconi sends here, where it's indicated as April fools (2024):

https://www.academia.edu/116928258/A_Hittite_tablet_recounti...

:(

I was wondering about the "Keilfischurkunden" mentioned in the article. Cuneiform is "Keilschrift" (wedge writing) in German, whereas "Keilfisch" would translate to a wedge fish, whatever that might be.