ISRC USBC19400913
Verified recording
USBC19400913 is “Piano Concerto No. 1 in E Minor, Op. 11 (Remastered): II. Romance. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x24322f6a8ab1cd6f1fdddb1c6c23afbd3c605a8185d22bd26ac069b717d1dd3a 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/USBC19400913.
Recording identifiers
- ISRC
- USBC19400913
- Title
- Piano Concerto No. 1 in E Minor, Op. 11 (Remastered): II. Romance. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x24322f6a8ab1cd6f1fdddb1c6c23afbd3c605a8185d22bd26ac069b717d1dd3a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:b6f2de2f1108b7108a6583b4b602e417995cab8e0ac126709669e7cfdd2f992d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400913
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11 (Remastered): II. Romance. Larghetto · Machine-readable JSON-LD