Variation 4

Recording by François Laizeau.

Recording identifiers

ISRC
FR1P71002100
CopyrightID (CopyrightChains transaction hash)
0x335895a70257122eecbd976454a3f76cfe5560de9ccb26f77d4dcd8bd7b8660f
Copyright registration time
2026-07-07T18:04:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ff69be6bb77e8b8c672d8ae1aa008010267350dfe168cf922038a2edbc7cecae

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.