ISRC DEN961401232
Verified recording
DEN961401232 is “Piano Sonata No. 4 in A minor, D.537: II. Allegretto quasi andantino” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x4e10102bc5be1be63c0e6ea2191c5fa0e1f6bf9a58f72dd7abdd3ab24e41ca72 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/DEN961401232.
Recording identifiers
- ISRC
- DEN961401232
- Title
- Piano Sonata No. 4 in A minor, D.537: II. Allegretto quasi andantino
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x4e10102bc5be1be63c0e6ea2191c5fa0e1f6bf9a58f72dd7abdd3ab24e41ca72
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e26895f4d68e7d34e62c07b05376e0c35cffb855f3676ab8373e306a3c60c410- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961401232
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 4 in A minor, D.537: II. Allegretto quasi andantino · Machine-readable JSON-LD