Heiterer Muth, Polka française, Op. 281

Recording by Josef Strauss.

Recording identifiers

ISRC
USQX92206256
CopyrightID (CopyrightChains transaction hash)
0x927189151d127f1ed6f464cb687579031aab910360c9f6a8d911eff0bb75ff49
Copyright registration time
2026-06-20T22:46:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8a4856ab68c363cba9f205c64652e60956ed87c9350a358af396b7daae2ee804

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.