Six pièces: Prélude, Fugue et Variation, Op. 18

Recording by César Franck.

Recording identifiers

ISRC
NOEHX1728070
CopyrightID (CopyrightChains transaction hash)
0x7ef786e5a0338cf213cc10bae49f06809524e6d15473a60775bb76edcc251ec3
Copyright registration time
2026-07-07T08:22:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0631b4d422c588980f05671f4bc5ab708801fe41dd48e770aee487ac38d96a78

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.