ISRC FR50X1219318
Verified recording
FR50X1219318 is “Concerto for Four Violins and Cello in B Minor, RV 580, Op. 3 No. 10: II. Largo – Larghetto – Adagio – Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x79eec111f399a4b425aa963a6a19cc0f1fbb52cbed64150fb4885a0ad2f564c7 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1219318.
Recording identifiers
- ISRC
- FR50X1219318
- Title
- Concerto for Four Violins and Cello in B Minor, RV 580, Op. 3 No. 10: II. Largo – Larghetto – Adagio – Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x79eec111f399a4b425aa963a6a19cc0f1fbb52cbed64150fb4885a0ad2f564c7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:41334109f09c1c0cf6a764384f670926a90e0ee09a06c961962b70e84f1f9327- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1219318
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Concerto for Four Violins and Cello in B Minor, RV 580, Op. 3 No. 10: II. Largo – Larghetto – Adagio – Largo · Machine-readable JSON-LD