Die Dreigroschenoper: Akt I, Die Moritat von Mackie Messer ("Und der Haifisch, der hat Zähne")

Recording by Kurt Weill.

Recording identifiers

ISRC
USSM10007707
Release date of the album this recording appears on
1958
CopyrightID (CopyrightChains transaction hash)
0x83e8f30955d46151d726c72b6967d6cfb55931fb21caf64cd5118e6b15024f18
Copyright registration time
2026-06-19T12:25:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5000b69f4d75951c179d34105b0d7f0e3f64efa53585a97fce03524eba4313c6

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.