Docteur Jekyll et monsieur Hyde

Recording by Serge Gainsbourg.

Recording identifiers

ISRC
FRZ036800180
CopyrightID (CopyrightChains transaction hash)
0x2f35cbea7b0f6f85a9907a45f6e38d20c0fe9623a5055e589af33c27a28eef2e
Copyright registration time
2026-06-11T23:17:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:aa255a081eb7edb0a3126c0085f052a943a3b550e0f3e5ff75130da562135618

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.