ISRC FRZ209642520
Verified recording
FRZ209642520 is “Schubert: Valses sentimentales, Op. 50, D. 779: No. 13 in A Major” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xd45b203df99d1f2fe6dd04427832442c842a63023e46b397eb0ad522108f0785 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/FRZ209642520.
Recording identifiers
- ISRC
- FRZ209642520
- Title
- Schubert: Valses sentimentales, Op. 50, D. 779: No. 13 in A Major
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xd45b203df99d1f2fe6dd04427832442c842a63023e46b397eb0ad522108f0785
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a47c44d2256b63f165c04c3d648924ef7bb070ff473c35905d65ca89cfe41ae5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209642520
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Schubert: Valses sentimentales, Op. 50, D. 779: No. 13 in A Major · Machine-readable JSON-LD