ISRC FRZ131429050
Verified recording
FRZ131429050 is “Bassoon Concerto in F Major, RV 491: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x662a40c94ff49a8b75ae84cf0b00daba7c3431d33a0363ae39af12796a5cfddc and independently timestamped
in Bitcoin block 960198 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131429050.
Recording identifiers
- ISRC
- FRZ131429050
- Title
- Bassoon Concerto in F Major, RV 491: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x662a40c94ff49a8b75ae84cf0b00daba7c3431d33a0363ae39af12796a5cfddc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:21:55+00:00
- Bitcoin block
- 960198
- Canonical record hash
sha256:40e0b88661bcc9b02ad1f46be3d1a6d87674f3124a5e70237211fd49fc2e615a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131429050
- Bitcoin block existence check
- https://blockstream.info/api/block/960198
Full record
Track page: Bassoon Concerto in F Major, RV 491: II. Largo · Machine-readable JSON-LD