Nous deux - Acoustique

Recording by David Courtin.

Recording identifiers

ISRC
FR10S1851728
CopyrightID (CopyrightChains transaction hash)
0xa0bdcde63e75bcd503233209dfeb786a5c65986444853ffdbe0bf42848d76233
Copyright registration time
2026-07-31T22:59:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:ad11b8261649c3b4309174dab7ec433fd27374e36c695390df743b168edd365d

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.