Can Can from "Orpheus in the Underworld" - Instrumental

Recording by Jacques Offenbach.

Recording identifiers

ISRC
USWD10629422
CopyrightID (CopyrightChains transaction hash)
0x858e227ddd4538d9060b5e7a889dae6436e4a36a856c70aac16315b92068e271
Copyright registration time
2026-07-06T03:21:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:4204710b9d93ad056a35945182b63d43db671590c26784df74fcf46c07772894

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.