ISRC FRZ131217140
Verified recording
FRZ131217140 is “Bassoon Concerto in G Major, RV 494: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xd43e4ce0f42008079a59f5f5be5de31eb1a7dd4a1f1a559a9e44f6c9382ca9eb and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131217140.
Recording identifiers
- ISRC
- FRZ131217140
- Title
- Bassoon Concerto in G Major, RV 494: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xd43e4ce0f42008079a59f5f5be5de31eb1a7dd4a1f1a559a9e44f6c9382ca9eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:668a3fd1b958f11f62a7b4b95431d7830a914b12562532386094fd4eca6c8065- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131217140
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Bassoon Concerto in G Major, RV 494: II. Largo · Machine-readable JSON-LD