Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen

Recording identifiers

ISRC

GBF076940108

Release date of the album this recording appears on

1970-01-01

CopyrightID (CopyrightChains transaction hash)

0x953542230829fa43cbd51500ddaabe15d710a55b63feb70b526e04781e894407

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T19:53:13Z

Bitcoin block

960455

Canonical record hash

sha256:5be7b5e20118e69c53630f6a406d11527c06508aea499101c036ad11dc58f88c

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBF076940108

What this proof establishes

This recording was released in 1970, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.