Le marteau sans maître: II. Commentaire I de bourreaux de solitude

Recording by Pierre Boulez.

Recording identifiers

ISRC
DEN960201082
CopyrightID (CopyrightChains transaction hash)
0xdfee9581a05d36c8170c40a2913959341d9732fc88fe61fb20eec732036b06f5
Copyright registration time
2026-06-25T21:05:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:362249211f4f222862d2fa93759a32be266989bcc7379b85347eeb8e4744df8d

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.