12 Notations for Piano: I. Fantasque. Modéré

Recording by Pierre Boulez.

Recording identifiers

ISRC
DEF059331201
CopyrightID (CopyrightChains transaction hash)
0x0567904e9daa1bb0be911a83bd36f8ff650386fd14b4248f479c4faa172efc92
Copyright registration time
2026-07-06T22:32:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3857704de184e9bb2d9d13e05ea635ca4b04e9baefe485a7b0eb1226571cf93d

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.