ISRC FRX201657562
Verified recording
FRX201657562 is “String Quartets, Op. 33, No. 1 in B Minor, Hob. III:37 "The Russian Quartets": I. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xba66be679b5ad0ad280441b510886ec688b6aff8106dfe4e49f840d00f857357 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/FRX201657562.
Recording identifiers
- ISRC
- FRX201657562
- Title
- String Quartets, Op. 33, No. 1 in B Minor, Hob. III:37 "The Russian Quartets": I. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xba66be679b5ad0ad280441b510886ec688b6aff8106dfe4e49f840d00f857357
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:365f14e085a06fc83b42147f190f20dd2ac2a45af43f39941cb87d397a9688a9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201657562
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartets, Op. 33, No. 1 in B Minor, Hob. III:37 "The Russian Quartets": I. Allegro moderato · Machine-readable JSON-LD