IIRC I saw it in the list of the assets because I check it every day. So you couldn't find your pack in the list of assets but you could open it via your profile?
Viewing post in I don't see my Asset Pack .
Again... It is up to itch. Read community rules of Questions & Support. Everything up to itch. For example I couldn't find my jam in the list of all the jams. But after jam started it appeared in that list and even that a bit strange jam calendar formed from strip lines
Relax and wait. Read the last paragraph https://itch.io/docs/creators/getting-indexed#why-isnt-my-project-showing-up