Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": Ouverture

Recording by Jacques Offenbach.

Recording identifiers

ISRC
DEUM70603587
Release date of the album this recording appears on
1970-01-01
CopyrightID (CopyrightChains transaction hash)
0xbab1fef0b9913180e0ae985f8c8f91814ec82768a12c8ae66027f1381fcf2f34
Copyright registration time
2026-07-30T17:32:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:41:38Z
Bitcoin block
960288
Canonical record hash
sha256:3d74a02e6145d7a7bc5fe7b25e1d2feaea9a656a1f5ae102d4232481c02119eb

What this proof establishes

This recording was released in 1970, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.