Les Contes d'Hoffmann / Act 3: "Pour conjurer le danger"

Recording by Jacques Offenbach.

Recording identifiers

ISRC
DEF058631217
CopyrightID (CopyrightChains transaction hash)
0x3564347cf96fd5314203efa37d6a09dd4030d0282a8a4cc81f267078419a1206
Copyright registration time
2026-07-06T10:01:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:09215b9b6bd6685f64966431bee770c8222e567ceee44ed3d8c42440aa447da0

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.