ISRC FRZ201901256
Verified recording
FRZ201901256 is “Vivaldi: Cello Concerto in C Major, RV 400: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xf8d222ea61134561aa5a2461d746071c7f6442662969847a2f359e1124f11661 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201901256.
Recording identifiers
- ISRC
- FRZ201901256
- Title
- Vivaldi: Cello Concerto in C Major, RV 400: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xf8d222ea61134561aa5a2461d746071c7f6442662969847a2f359e1124f11661
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:4a83603ce02b735f90dd196d5ce837094b39705d0f9d83c14bd59f7ba5305527- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201901256
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Vivaldi: Cello Concerto in C Major, RV 400: II. Largo · Machine-readable JSON-LD