Current tourism confirms beer is brewed onsite; exact current named style/ABV remains unresolved. (Current / house beer)
One tap, no account
Had Rumpelstilz house beer? Stamp it.
Opens the Passport with this beer already stamped — no login, no searching for it again.
01
Follow the money
Who owns this beer
The archive holds no parent company for Rumpelstilz Back- und Brauscheune. Its ownership has not yet been established.
Not established
Ownership has not yet been established for this brewery. That is a gap in the research, not a finding of independence.