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

Recording by Pierre Boulez.

Recording identifiers

ISRC
NLE422436009
CopyrightID (CopyrightChains transaction hash)
0x60aa28ea653352175f8bf25346e526f670f79710d29b8e812972f30e4780d192
Copyright registration time
2026-07-07T05:10:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bfed218253c993eda5ef4d2cc9dfc0ef331a65dbc883d9c2e6da83fe0a4ad56e

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.