ISRC FRZ130917017
Verified recording
FRZ130917017 is “Bassoon Concerto in C Major, RV 477: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x87f5f4ba9817077dd019df9ca968f1758e014e05a6cf9a3caaff082f700c2da1 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/FRZ130917017.
Recording identifiers
- ISRC
- FRZ130917017
- Title
- Bassoon Concerto in C Major, RV 477: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x87f5f4ba9817077dd019df9ca968f1758e014e05a6cf9a3caaff082f700c2da1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2cbbe33e0cecb3b82ae93a08566e3a031305dcf96900bbbf543542f1ad95d776- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130917017
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Bassoon Concerto in C Major, RV 477: II. Largo · Machine-readable JSON-LD