Livre pour quatuor (2017 version, ed. Philippe Manoury): Ia.

Recording by Pierre Boulez.

Recording identifiers

ISRC
NLE422436001
CopyrightID (CopyrightChains transaction hash)
0x41ffd89672536f5147bf057245bdd9082f06aa40382e909d40426c8bb478d594
Copyright registration time
2026-06-24T03:37:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:026cba52a3aca2af3cf86a3e5d05c7666bb413971ba47681ec00870992f2fa71

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.