All boosts and comments sent from Fountain are published to nostr meaning anyone can query them and build anything using the data.
Shows + Episodes are canonically referenced using podcast guids:
OnlyBoosts
OnlyBoosts — Podcasting 2.0 Boosts on Nostr
An index of the Podcasting 2.0 boosts published to Nostr. Read the boostagrams as they are sent, globally or filtered to who you follow, and boost ...
OnlyBoosts
About — OnlyBoosts
How NIP-73 links a Nostr note to a podcast, why keysend boosts are not included, and what this data can and cannot tell you.