Le Papillon / Prelude and Act 1: Scene 2, Valse des Rayons

Recording by Jacques Offenbach.

Recording identifiers

ISRC
GBF077240404
CopyrightID (CopyrightChains transaction hash)
0x8a3f358ad30b258ed62f6f82098fcf17ba573b90194d12c5c7f2f90ba6065ed6
Copyright registration time
2026-07-06T22:23:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6b4f7fabae59cf66e22fc3210c5709609864ba4ed0a198d7448ce041172916ce

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.