Aufstieg und Fall der Stadt Mahagonny: Denn wie man sich bettet

Recording by Kurt Weill.

Recording identifiers

ISRC
GBF078810142
Release date of the album this recording appears on
1988-01-01
CopyrightID (CopyrightChains transaction hash)
0xa4f8a7ad0dc55be886024eb261ded9d2ee48129a6e921e85f445f04246500809
Copyright registration time
2026-07-29T16:56:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:945c8d6d1199b013b02c8ef905ecfefe06053ed61fa5527fb8774d597dab6c27

What this proof establishes

This recording was released in 1988, 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.