Troisème Leçon de Ténèbres à deux voix: IV. Mem

Recording by François Couperin.

Recording identifiers

ISRC
FR50X2412919
CopyrightID (CopyrightChains transaction hash)
0x3134ae52b4a081d8d37eeb100dec423c76b6269b66c3b9c948e0f2c9a1d13b19
Copyright registration time
2026-07-29T21:52:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:57:12Z
Bitcoin block
960153
Canonical record hash
sha256:3a35a525a479c38213ce8e33e404e5e32f555a929e8fdb16d1a9b814b5c5892c

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.