Jo, I am curious to know why the second proposed solution, i.e. putting a tag on the headline with no actual headline text, didn't work for you. It might be that you need to have
#+options: tags:nil It worked for me and, at least to me, seems cleaner as you could then have headlines like this: ** :emptytitle: which are more clear in terms of intent. Like I said, just curious. -- : Eric S Fraga via Emacs 28.0.60, Org release_9.5-93-gd87250 : Latest paper written in org: https://arxiv.org/abs/2106.05096