Orpheus in the Underworld, Act II: Infernal Galop (Can-can)

Recording by Jacques Offenbach.

Recording identifiers

ISRC
SEWDL9657606
CopyrightID (CopyrightChains transaction hash)
0x4a740a61709a658ece8e9f4243253499c18256cd1e3ed91da95b9706aaeea14c
Copyright registration time
2026-07-06T08:44:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:8e9e644174a68aedbdb3c33542f78f6e58628a601a322b70192c319070365aea

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.