Turns out the link included first was to the show and not to any episode. 
However, my note was still visible on fountain, but of course not related to specificly one of  nostr:nprofile1qqs8spcgqfgzxkcnerak0t40xs8jfsecgkeywrnam3lvp4qvqp5zv3gpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhslcfx3t episodes, it showed up on my main fountain feed. 
Anyway, nostr:nprofile1qqsxu35yyt0mwjjh8pcz4zprhxegz69t4wr9t74vk6zne58wzh0waycppemhxue69uhhjctzw5hx6ef0qythwumn8ghj7un9d3shjt3s0p3ksct59e3k7mf0qyt8wumn8ghj7mn0wd68ytndd9kx7afwd3hkctctqc4jq saw it so it must be public 🫡

Next test:
To keep #ZAPATHON by nostr:nprofile1qqsvfr3f7p95stxqrjslnmuvsmhcxxxqt8swjdfjx5tz7zq0yms5cygpzemhxue69uhhyetvv9ujumn0wd68ytnfdenx7qg6waehxw309aex2mrp0yhx7unpdenk2urfd3kzuer9wcq3gamnwvaz7tmjv4kxz7fwv3sk6atn9e5k7raruhg running, this time I am adding a deep link to one of the episodes to check out what happens ⚡
 https://fountain.fm/episode/fZAu5hKJ7vgcOhGIUeui