Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": Und wieder geht ein Tag zu Ende - Die öffentliche Meinung bin ich - Ich bin die Frau Eurydike

Recording by Jacques Offenbach.

Recording identifiers

ISRC
DEUM70603588
Release date of the album this recording appears on
1970-01-01
CopyrightID (CopyrightChains transaction hash)
0x14cce6859cc978b308b053982d1ee407a4a66f9c80009ad5e488ae1457e186cb
Copyright registration time
2026-08-01T04:27:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:52:22Z
Bitcoin block
960513
Canonical record hash
sha256:65daec99ed705d9c30498193276a2d3bbf2563532a8c07d25c9b6dc4611f31f9

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.