ISRC FRZ131429170
Verified recording
FRZ131429170 is “Bassoon Concerto in C Major, RV 473: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x3673d5df6de5ffcd647511970c8af198921da73bdc6c44f7cfcfcfdd94d49b7a 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/FRZ131429170.
Recording identifiers
- ISRC
- FRZ131429170
- Title
- Bassoon Concerto in C Major, RV 473: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x3673d5df6de5ffcd647511970c8af198921da73bdc6c44f7cfcfcfdd94d49b7a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:bfc40d44b18e6b89c2d102e3d29f3c5ee23fce06746a9bac67bd167b1be8ff95- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131429170
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Bassoon Concerto in C Major, RV 473: II. Largo · Machine-readable JSON-LD