On n'a pas tous les jours vingt ans

Recording by Berthe Sylva.

Recording identifiers

ISRC
ITD541201494
CopyrightID (CopyrightChains transaction hash)
0xf743a15ff9af954151bb1f463d03abd1d155cb3f178c6d70a60bf16151e03157
Copyright registration time
2026-06-10T07:17:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d784a08b37398a8ac27d7c89f5f1e0778644751478a83dc509dcf721bf6feae0

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.