Cinq Etudes De Bruits

Recording by Pierre Schaeffer.

Recording identifiers

ISRC
QM4TW1508366
CopyrightID (CopyrightChains transaction hash)
0x8ba3f8cc60abdc6df2ddff3b026455ece957291200d3e72be1ba5e7d11cb5aff
Copyright registration time
2026-07-07T02:21:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:344cc0edf57377b250b80399f3b4ffae69d7e4adee6b87a92d74621d4608d23c

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.