ISRC FRX201665976
Verified recording
FRX201665976 is “String Quartets, Op. 33, No. 3 in C Major, Hob. III:39 "The Bird": No. 1, Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xe7bef949e28db9269e21992295c9b91592efc9455b582f0edfc9b9cf1409efaa and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201665976.
Recording identifiers
- ISRC
- FRX201665976
- Title
- String Quartets, Op. 33, No. 3 in C Major, Hob. III:39 "The Bird": No. 1, Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xe7bef949e28db9269e21992295c9b91592efc9455b582f0edfc9b9cf1409efaa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9c5fd453cb0890752c334a35fffea3b966e95afc52adfb60df93b529be0e9825- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201665976
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartets, Op. 33, No. 3 in C Major, Hob. III:39 "The Bird": No. 1, Allegro moderato · Machine-readable JSON-LD