Piano Sonata No. 3 / Formant 2 - Trope: Glose

Recording by Pierre Boulez.

Recording identifiers

ISRC
DEN960431402
CopyrightID (CopyrightChains transaction hash)
0x11258889211248678d2d4216c65b500059d58a69eb4d18585d0711e9127203e8
Copyright registration time
2026-07-07T02:02:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c493f2bf6ffe5aef19aaba01174aedfb42c40dc4173f292cd3c2753bec9b56f0

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.