Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": So ist das? So? - Ja, mein Coco!

Recording by Jacques Offenbach.

Recording identifiers

ISRC
DEUM70603589
Release date of the album this recording appears on
1970-01-01
CopyrightID (CopyrightChains transaction hash)
0x1db4de4e4acca6e0e6ebed5fbe5e5cce08a0b7cdb40e6ebaf7fd8493fbaa26ee
Copyright registration time
2026-07-07T17:13:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:55f496fe031ba1da0bf0ffae61ba3f12a10ac83cfa2db026d9bd11bd363581e9

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.