ISRC FRZ140815080
Verified recording
FRZ140815080 is “String Quartet in E-Flat major, Hob.III:38: IV. Finale (Presto)” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xd3255a38b627fd91fc31189966511b8d5c82e5f8eac668c1e950043880567c14 and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140815080.
Recording identifiers
- ISRC
- FRZ140815080
- Title
- String Quartet in E-Flat major, Hob.III:38: IV. Finale (Presto)
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xd3255a38b627fd91fc31189966511b8d5c82e5f8eac668c1e950043880567c14
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:1d6bfd47a6ec4b53eec41080e69508e7cac42663d25019dd5c656a12eca8f7b8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140815080
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: String Quartet in E-Flat major, Hob.III:38: IV. Finale (Presto) · Machine-readable JSON-LD