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

Recording by Pierre Boulez.

Recording identifiers

ISRC
NLE422436006
CopyrightID (CopyrightChains transaction hash)
0x0be0b740447b68fe4f6438ae044329dd26b3f13458eefcf37356bac09cf9fcbe
Copyright registration time
2026-07-29T18:17:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:5dd50d5b4e3f347993250b33c399b97ec79a42c0ec9cbe8e414013e1fba1c9f9

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.