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

Recording by Pierre Boulez.

Recording identifiers

ISRC
NLE422436005
CopyrightID (CopyrightChains transaction hash)
0x1809294f3eede9bb01a3776a526dc93e1b89f6bb8395b5bcea54569682b6fc4f
Copyright registration time
2026-07-29T20:48:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:cbe67308731172724350619925c602b3baa2049f990377af131c1ec768351b6b

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.