ISRC QZ22B1853016

Verified recording

QZ22B1853016 is “Le Preux, Etude de Concert in B-Flat Major, Op. 17” by Charles-Valentin Alkan, registered on the CopyrightChains blockchain with CopyrightID 0x9de42b0970dcdbf21319e614094429b6f458d984762cfce9a250aed74f4bc1e7 and independently timestamped in Bitcoin block 960397 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1853016.

Recording identifiers

ISRC
QZ22B1853016
Title
Le Preux, Etude de Concert in B-Flat Major, Op. 17
Artist
Charles-Valentin Alkan
CopyrightID (CopyrightChains transaction hash)
0x9de42b0970dcdbf21319e614094429b6f458d984762cfce9a250aed74f4bc1e7

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41+00:00
Bitcoin block
960397
Canonical record hash
sha256:de314ecc785f920c2bddda6ba40a1060c2874ebb23ff899624e2a9145d47e948
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1853016
Bitcoin block existence check
https://blockstream.info/api/block/960397

Full record

Track page: Le Preux, Etude de Concert in B-Flat Major, Op. 17 · Machine-readable JSON-LD