ISRC FRX201644630
Verified recording
FRX201644630 is “2 String Quartets, Op. 77 "Lobkowitz", No. 2 in F Major, Hob. III:82: III. Andante” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x3e4016ccccb2d81065280ac6495c8c2f074712afec10f05e442ed10adaaf25a8 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201644630.
Recording identifiers
- ISRC
- FRX201644630
- Title
- 2 String Quartets, Op. 77 "Lobkowitz", No. 2 in F Major, Hob. III:82: III. Andante
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x3e4016ccccb2d81065280ac6495c8c2f074712afec10f05e442ed10adaaf25a8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:f2bbe97d774af46cb0e4cd8624bc82c5ac975ff53541add371dc584098df32d0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201644630
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: 2 String Quartets, Op. 77 "Lobkowitz", No. 2 in F Major, Hob. III:82: III. Andante · Machine-readable JSON-LD