ISRC NLY330601473

Verified recording

NLY330601473 is “Nocturne, Op. 121: No. 2 in F Major (A trois mains)” by Friedrich Kalkbrenner, registered on the CopyrightChains blockchain with CopyrightID 0x6dc31c7e71b36a883059cd1f4dad0e8011bce516aa98874df845a80f1e200729 and independently timestamped in Bitcoin block 960273 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330601473.

Recording identifiers

ISRC
NLY330601473
Title
Nocturne, Op. 121: No. 2 in F Major (A trois mains)
Artist
Friedrich Kalkbrenner
CopyrightID (CopyrightChains transaction hash)
0x6dc31c7e71b36a883059cd1f4dad0e8011bce516aa98874df845a80f1e200729

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38+00:00
Bitcoin block
960273
Canonical record hash
sha256:0e241751bc4811f0653f517d4487c58114f9d0ac110a52f28060cafac3cbaef8
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330601473
Bitcoin block existence check
https://blockstream.info/api/block/960273

Full record

Track page: Nocturne, Op. 121: No. 2 in F Major (A trois mains) · Machine-readable JSON-LD