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

Recording by Pierre Boulez.

Recording identifiers

ISRC
NLE422436003
CopyrightID (CopyrightChains transaction hash)
0x037fc2a02ce386b53e00e725f28fd523c4b66ee68b6a6000a926cd094ab84188
Copyright registration time
2026-07-29T19:57:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:a37f1db826cca8b9a56b7eb5dfe80557833867e36ecece7f6072f8d3b4f4958d

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.