ISRC FRZ132113350
Verified recording
FRZ132113350 is “L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: III. Adagio” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x5b75f68209a60d5cf72c4e5276370c4e3709093a34252e66fb43c36db68ef61b 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/FRZ132113350.
Recording identifiers
- ISRC
- FRZ132113350
- Title
- L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: III. Adagio
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x5b75f68209a60d5cf72c4e5276370c4e3709093a34252e66fb43c36db68ef61b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9159a84345426c61b8212548ab2cd91eab2c659f8fefccac25952597a1ce87b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113350
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: III. Adagio · Machine-readable JSON-LD