Le Preux, Etude de Concert in B-Flat Major, Op. 17

Recording by Charles-Valentin Alkan.

Recording identifiers

ISRC
QZ22B1853016
Release date of the album this recording appears on
2017-11-12
CopyrightID (CopyrightChains transaction hash)
0x9de42b0970dcdbf21319e614094429b6f458d984762cfce9a250aed74f4bc1e7
Copyright registration time
2026-07-31T11:51:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:de314ecc785f920c2bddda6ba40a1060c2874ebb23ff899624e2a9145d47e948

What this proof establishes

This recording was released in 2017, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.