THIS is grift. ANYONE can use (and fully customize) Podcasting 2.0 tags in an RSS feed, which are fully explained with copy/paste templates HERE:

https://github.com/Podcastindex-org/podcast-namespace/blob/main/docs/1.0.md#value-time-split

nostr:nevent1qqsqr9d87gznldwcumc80pm20zwyclkncesyslyfz8ju2vy9g8nx9fcpr4mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmp0qgszy58kj62v9fpe98nhuh0q76np4e0r0g0wd44rhth3wphdnyqjfzcrqsqqqqqp7m8j38