ISRC FRZ208718220
Verified recording
FRZ208718220 is “Vivaldi: L'estro armonico, Violin Concerto in D Major, Op. 3 No. 9, RV 230: II. Larghetto” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x5916fcf605c40e92eb25297289290018336bc095f70933ff0a40c8ae5df63eff 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/FRZ208718220.
Recording identifiers
- ISRC
- FRZ208718220
- Title
- Vivaldi: L'estro armonico, Violin Concerto in D Major, Op. 3 No. 9, RV 230: II. Larghetto
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x5916fcf605c40e92eb25297289290018336bc095f70933ff0a40c8ae5df63eff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ca0a25edb1884ddb49885a252a8687256becc63e8ca6b3e71c35c4fbbef3e9e0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208718220
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Vivaldi: L'estro armonico, Violin Concerto in D Major, Op. 3 No. 9, RV 230: II. Larghetto · Machine-readable JSON-LD