Nicotine

Recording by Jane Birkin.

Recording identifiers

ISRC
FRZ037700170
CopyrightID (CopyrightChains transaction hash)
0x4df9f05674c5dd071c5e5c87759f7494cd3cd63f4cb463f9b792eb3b63a14b28
Copyright registration time
2026-06-09T09:09:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:317c9859717ea783ea9e5bb69b8826499ea3c1b14a69b73368b8af806987184e

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.