ISRC DEN960000844
Verified recording
DEN960000844 is “String Quartet In F Minor, Hob. III:35, Op. 20 No. 5: 4. Fuga a 2 soggetti” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xfc022b8a88551bb42175be4ba06deeefde9d18e59f159f03f66ccd337baf4ac2 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/DEN960000844.
Recording identifiers
- ISRC
- DEN960000844
- Title
- String Quartet In F Minor, Hob. III:35, Op. 20 No. 5: 4. Fuga a 2 soggetti
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xfc022b8a88551bb42175be4ba06deeefde9d18e59f159f03f66ccd337baf4ac2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:7b9899ac0b1efe8429b4e98968972840e8b5421c813d057987a301eb27f78ced- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960000844
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet In F Minor, Hob. III:35, Op. 20 No. 5: 4. Fuga a 2 soggetti · Machine-readable JSON-LD