Champagne Polka Op. 211

Recording by Johann Strauss II.

Recording identifiers

ISRC
GBAYD9000557
CopyrightID (CopyrightChains transaction hash)
0x0e2ec4c95f79967ee1ddef2c6edda92dfb5544d30f0a9bb651f39f33f0ae4c84
Copyright registration time
2026-06-11T04:14:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1f7553d718e4f62a22cf492ffe7f5a934bbe8f2c4964338d0a2eff0905da9339

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.