ISRC FRZ132210170
Verified recording
FRZ132210170 is “Violin Concerto in E-Flat Major, RV 261: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x872e38d61b44702ffca3fd991d181a6b69e881358fed1f89ac147ff3df1e95a4 and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132210170.
Recording identifiers
- ISRC
- FRZ132210170
- Title
- Violin Concerto in E-Flat Major, RV 261: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x872e38d61b44702ffca3fd991d181a6b69e881358fed1f89ac147ff3df1e95a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:d5e5ab63885a1203519037d2cd959be4dc17bb3a1232a91f55ac53c5a9e59845- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132210170
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Violin Concerto in E-Flat Major, RV 261: II. Largo · Machine-readable JSON-LD