ISRC FRZ132004050
Verified recording
FRZ132004050 is “Bassoon Concerto in C Major, RV 476: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xd07f0111936c0b0e2f73592cbf607e70ea17f1a5e8054c8cedd4083138ab4736 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/FRZ132004050.
Recording identifiers
- ISRC
- FRZ132004050
- Title
- Bassoon Concerto in C Major, RV 476: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xd07f0111936c0b0e2f73592cbf607e70ea17f1a5e8054c8cedd4083138ab4736
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:19057986329ba34cf14864de2657c14c653aef9f092dad3df666e2b2c9a0191d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132004050
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Bassoon Concerto in C Major, RV 476: II. Largo · Machine-readable JSON-LD