Les Contes d'Hoffmann / Act 4: Scintille, diamant

Recording by Jacques Offenbach.

Recording identifiers

ISRC
DEF058631221
CopyrightID (CopyrightChains transaction hash)
0xe14d28d3443c8fd23c5a3102c377efb9758f5f1f88f8b166c9dfd2d2dd803b55
Copyright registration time
2026-07-06T22:49:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:05ffe198a64bd90a4b1eb064cc16e6704ebde5080224799e93b7e992fd35541d

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.