Le retour de Martin Guerre

Recording by Michel Portal.

Recording identifiers

ISRC
FR9W18200175
CopyrightID (CopyrightChains transaction hash)
0xdb06559dcb715f7fb1b78a382ca989cac2a4a54aed153287fc7fb6ea2b31698a
Copyright registration time
2026-07-07T18:09:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:6f399d24cb610af10b80d6b2208782f5da4e4fa98716f328d2ba1d1e11938724

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.