ISRC FRZ131914020
Verified recording
FRZ131914020 is “Violin Concerto in C Major, RV 187: II. Largo ma non molto” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xb623a5b98e307f2507525c4a8c4d29e1576eb098fe3afceb3ca6302af2fd3a12 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/FRZ131914020.
Recording identifiers
- ISRC
- FRZ131914020
- Title
- Violin Concerto in C Major, RV 187: II. Largo ma non molto
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xb623a5b98e307f2507525c4a8c4d29e1576eb098fe3afceb3ca6302af2fd3a12
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:709342da764c7ce395f9497303e1f0a85dac33d9e07dd816c3cf459c1cb4b34f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131914020
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Violin Concerto in C Major, RV 187: II. Largo ma non molto · Machine-readable JSON-LD