ISRC DEF059605922
Verified recording
DEF059605922 is “String Quartet No. 12 In C Minor, D. 703 "Quartettsatz": Andante - Allegro assai” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xd96a7f78f6daf01812a7e0cbf44a22737738900f9884c095f76e0b5eb77c1178 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059605922.
Recording identifiers
- ISRC
- DEF059605922
- Title
- String Quartet No. 12 In C Minor, D. 703 "Quartettsatz": Andante - Allegro assai
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xd96a7f78f6daf01812a7e0cbf44a22737738900f9884c095f76e0b5eb77c1178
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:2680ac5eb61c453d53c45699a184ffdb2d6f23f07938e85073e5d67ee68d10ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059605922
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: String Quartet No. 12 In C Minor, D. 703 "Quartettsatz": Andante - Allegro assai · Machine-readable JSON-LD