ISRC CALC42020153
Verified recording
CALC42020153 is “Piano concerto in A Minor, Op. 7: III. Finale : Allegro non troppo – Allegro molto” by Clara Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0xe244603df20df4b6a532f054e8d78e343363a54ba3d0abcae70422f5954ac34c and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42020153.
Recording identifiers
- ISRC
- CALC42020153
- Title
- Piano concerto in A Minor, Op. 7: III. Finale : Allegro non troppo – Allegro molto
- Artist
- Clara Schumann
- CopyrightID (CopyrightChains transaction hash)
0xe244603df20df4b6a532f054e8d78e343363a54ba3d0abcae70422f5954ac34c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:bf9b7fb253b04cfcd777723d0f4c87ce53f749ff509a2075e8dd4ee1cbd2bc48- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42020153
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano concerto in A Minor, Op. 7: III. Finale : Allegro non troppo – Allegro molto · Machine-readable JSON-LD