Ex-fan des sixties

Recording by Jane Birkin.

Recording identifiers

ISRC
FRZ037700130
CopyrightID (CopyrightChains transaction hash)
0x2f5d2e9c861d825c4842fe9e1411e57558fef00a96acfe9f6184707b2e380aa1
Copyright registration time
2026-06-05T09:17:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:8eca4c3d57c883ea8052345760a7e4aadfc72241292426a3c9518a64f860de41

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.