ISRC FRZ132415140
Verified recording
FRZ132415140 is “3 Romanzen, Op. 94: I. Nicht schnell - Arr. for Cello and Piano by Christian-Pierre La Marca” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x791f2813e2798b5b4c8d6fe8d5aee18892f07a3ec995c550aceabc9cbf815821 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132415140.
Recording identifiers
- ISRC
- FRZ132415140
- Title
- 3 Romanzen, Op. 94: I. Nicht schnell - Arr. for Cello and Piano by Christian-Pierre La Marca
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x791f2813e2798b5b4c8d6fe8d5aee18892f07a3ec995c550aceabc9cbf815821
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:13ab7a4e34e3dcb116a085843dd915aef8c44e1900e41cab16843acd7d96c821- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132415140
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: 3 Romanzen, Op. 94: I. Nicht schnell - Arr. for Cello and Piano by Christian-Pierre La Marca · Machine-readable JSON-LD