ISRC FRZ140815010
Verified recording
FRZ140815010 is “String Quartet in B minor, Hob.III:37: I. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xdd8d1ca571980baedd78c61ec0e72e0080844573d4b72d05d4289c33857abf94 and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140815010.
Recording identifiers
- ISRC
- FRZ140815010
- Title
- String Quartet in B minor, Hob.III:37: I. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xdd8d1ca571980baedd78c61ec0e72e0080844573d4b72d05d4289c33857abf94
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:a4a51b0a3bb1e76c0c504a8ccfc90d412a334669fc173b202305fbc3590bd9fc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140815010
- Bitcoin block existence check
- https://blockstream.info/api/block/960247
Full record
Track page: String Quartet in B minor, Hob.III:37: I. Allegro moderato · Machine-readable JSON-LD