Overture La Grande-Duchesse de Gerolstein

Recording by Jacques Offenbach.

Recording identifiers

ISRC
NLA507911304
CopyrightID (CopyrightChains transaction hash)
0x48e8f47d94754ad90611b5984b83143bf1086b9c7e8fa117ca967cd344e37634
Copyright registration time
2026-07-07T10:20:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:825c52c3880160cb97b3810b3ae6a3dd6adcf63c2c636248bf3a5364963450bc

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.