Dreigroschenoper: Zuhälterballade - Arr. für Saxophon, Streichquartett und Klavier

Recording by Kurt Weill.

Recording identifiers

ISRC
DES382003017
Release date of the album this recording appears on
2020-02-28
CopyrightID (CopyrightChains transaction hash)
0xbaf1506914d74fffd60dac1c3e60fd579df02b53a0b762628e589dc189a05591
Copyright registration time
2026-06-22T03:04:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6a3e3e45a41899ea0e60c675203ea0ec36c980071d4f09488fc7e295ca703462

What this proof establishes

This recording was released in 2020, 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.