ISRC CALC42020152
Verified recording
CALC42020152 is “Piano concerto in A Minor, Op. 7: II. Romanze : Andante non troppo con grazia” by Clara Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0xc4f2bfa2f47731d945c9250155cbab84b2d8591bd8d3d56494ba0a7e925eb742 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42020152.
Recording identifiers
- ISRC
- CALC42020152
- Title
- Piano concerto in A Minor, Op. 7: II. Romanze : Andante non troppo con grazia
- Artist
- Clara Schumann
- CopyrightID (CopyrightChains transaction hash)
0xc4f2bfa2f47731d945c9250155cbab84b2d8591bd8d3d56494ba0a7e925eb742
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:ff84481f47c6dacefd67e7760adaa49f72cc95ce6543672430906ed0046e282d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42020152
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano concerto in A Minor, Op. 7: II. Romanze : Andante non troppo con grazia · Machine-readable JSON-LD