ISRC FR50X2073703
Verified recording
FR50X2073703 is “Duo for Violin and Violoncello, Op. 7: III. Maestoso e largamente, ma non troppo lento - Presto” by Zoltán Kodály,
registered on the CopyrightChains blockchain with CopyrightID
0xb7a7e328edd19b55e66e787042146c25af5c98ce12c5d92a6da18970fc5303c4 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/FR50X2073703.
Recording identifiers
- ISRC
- FR50X2073703
- Title
- Duo for Violin and Violoncello, Op. 7: III. Maestoso e largamente, ma non troppo lento - Presto
- Artist
- Zoltán Kodály
- CopyrightID (CopyrightChains transaction hash)
0xb7a7e328edd19b55e66e787042146c25af5c98ce12c5d92a6da18970fc5303c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:90b141e863f693f999edb95523e8cd100052a57aa8327250aea16f49afee16dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2073703
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Duo for Violin and Violoncello, Op. 7: III. Maestoso e largamente, ma non troppo lento - Presto · Machine-readable JSON-LD