ISRC FR50X1219312
Verified recording
FR50X1219312 is “Concerto for Violin and cordes in D Major, RV 230, Op. 3 No. 9: II. Larghetto” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x282a714eb2f578ae23243dce4881eb2e08feb97da843c4071991e24375184244 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/FR50X1219312.
Recording identifiers
- ISRC
- FR50X1219312
- Title
- Concerto for Violin and cordes in D Major, RV 230, Op. 3 No. 9: II. Larghetto
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x282a714eb2f578ae23243dce4881eb2e08feb97da843c4071991e24375184244
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c1d3c981fa2cf382b4737d26d6e2ff549f8deb2c816792da50f69261b17772eb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1219312
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for Violin and cordes in D Major, RV 230, Op. 3 No. 9: II. Larghetto · Machine-readable JSON-LD