ISRC CALC42200713
Verified recording
CALC42200713 is “Piano Sonata in G Minor: II. Adagio” by Clara Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x9eb68a71e39e61d2b91809811e65263b27aa9ab476ffa367a02ba4f539b01d94 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/CALC42200713.
Recording identifiers
- ISRC
- CALC42200713
- Title
- Piano Sonata in G Minor: II. Adagio
- Artist
- Clara Schumann
- CopyrightID (CopyrightChains transaction hash)
0x9eb68a71e39e61d2b91809811e65263b27aa9ab476ffa367a02ba4f539b01d94
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:1be5f6a74a99facffe1eb91f7c14d8e7170a306b3ddd9b35d8f23432f11fbd8f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42200713
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata in G Minor: II. Adagio · Machine-readable JSON-LD