On n'a pas tous les jours vingt ans

Recording by Berthe Sylva.

Recording identifiers

ISRC
FR6V89200422
CopyrightID (CopyrightChains transaction hash)
0x7adb2c2ddd1cb97654737521efa7e05bd3d48b247cc8e6364a8cb18526366c9a
Copyright registration time
2026-06-23T15:47:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c39779fb09365327cf9fbefd86d1af245551291466a027b6bff5706a036582bd

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.