ISRC FRZ131321140
Verified recording
FRZ131321140 is “Violin Concerto in E-Flat Major, RV 515: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x0e51119a2b94b1d24da8eb7896aa0b51de314e6521999fc02a79b96c5614d212 and independently timestamped
in Bitcoin block 960199 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131321140.
Recording identifiers
- ISRC
- FRZ131321140
- Title
- Violin Concerto in E-Flat Major, RV 515: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x0e51119a2b94b1d24da8eb7896aa0b51de314e6521999fc02a79b96c5614d212
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:30:29+00:00
- Bitcoin block
- 960199
- Canonical record hash
sha256:8f324e51ac21486d73c06a212a1594ad2a7f79f5b20af7a6cf5e8b2b16ea780b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131321140
- Bitcoin block existence check
- https://blockstream.info/api/block/960199
Full record
Track page: Violin Concerto in E-Flat Major, RV 515: II. Largo · Machine-readable JSON-LD