Orpheus in the Underworld: Overture

Recording by Jacques Offenbach.

Recording identifiers

ISRC
USTE10306116
CopyrightID (CopyrightChains transaction hash)
0xf3846274432b937416126fc7ea04ed710ca8cd52c22b29f08b86afbf460387bc
Copyright registration time
2026-07-30T21:24:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24Z
Bitcoin block
960317
Canonical record hash
sha256:520382c977295f13741fa34c777ebfc1a57b20ce06a4d538b1761fda706b7259

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.