Orpheus in the Underworld: Cancan - Single Version

Recording by Jacques Offenbach.

Recording identifiers

ISRC
USSM11604936
CopyrightID (CopyrightChains transaction hash)
0x664cb9a548a60b8fc47b8f13cc6b36a262956b0b88285586718a53294d40a911
Copyright registration time
2026-07-08T00:21:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:7e225e50ae35617396885892a008408dd7c55e7d04aa9d4839245f7399aa5ae5

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.