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:e19c5a433247b0c62ec420930f0a229d8c0e7be82ad31ac74279322bf8102774

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.