Dérive 1: 1984

Recording by Pierre Boulez.

Recording identifiers

ISRC
FRZ131116020
CopyrightID (CopyrightChains transaction hash)
0xfd6a7235e4e7868cf394074fc26473bd6c4cd1924a31d13fd17ae9c8f21c8a40
Copyright registration time
2026-07-06T23:16:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f27f28140caf4e5d92ea830640a056fb18cf2172779d8444807115dd42879c0d

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.