For a Luhmannian Zettelkasten (Antinet), and for its output, we can turn to Luhmann's books. Also, there's my writing pieces from my book (which I've shared here and there). Everything I've put out started as notes in my Antinet.

I think a lot of people in this community are still in the early stages. Until very recently with the introduction of my YouTube videos, there weren't any good resources for building an analog Zettelkasten.

Right now people are in the incipient stages of developing knowledge with it. I think it will take some time (another 8-12 months) before people can provide links to their output (their books).

Heck even myself, I can't provide a link to the Antinet Book yet because it's still being edited. The draft was finished around May.

Soon I think there will be less hand-waving and more examples of output (books/dissertations) using the Antinet.

You're spot on in your main point: output is the goal. The Antinet Zettelkasten is the airplane, the destination is the output.

Apart from this, this community has some fantastic practitioners. Each person seems to be applying the fundamental component and then innovating on top of that in their own way.