Die Dreigroschenoper: Salomon-Song

Recording by Kurt Weill.

Recording identifiers

ISRC
GBF078810122
CopyrightID (CopyrightChains transaction hash)
0xa08d991561cd494f14670cd302934689fa28434003d0d24d0b8dddc5338cde5c
Copyright registration time
2026-07-30T00:58:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:10:20Z
Bitcoin block
960183
Canonical record hash
sha256:fd8de5191500d9951508437818391c256ff4f9274353b415226e392dbb09d569

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. 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.