Die Dreigroschenoper: Akt II, Der Pferdestall ("Mackie muss fliehen und nimmt Abschied von Polly")

Recording by Kurt Weill.

Recording identifiers

ISRC
USSM10007715
Release date of the album this recording appears on
1958
CopyrightID (CopyrightChains transaction hash)
0x4628198bd6c0ef0cfc24bb5649e35d62a86c666471d6b1fd0c3e1f931b946709
Copyright registration time
2026-07-06T05:05:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d1792f0b984688392ca1ed8a7597d079d666ea94cea732255a001b84858155bc

What this proof establishes

This recording was released in 1958, 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.