ISRC FRZ131429020
Verified recording
FRZ131429020 is “Bassoon Concerto in C Major, RV 469: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x1f026bf14e470b5c9ac22f3c647c60d75eb07afc076351e4b927cb03d86cc005 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/FRZ131429020.
Recording identifiers
- ISRC
- FRZ131429020
- Title
- Bassoon Concerto in C Major, RV 469: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x1f026bf14e470b5c9ac22f3c647c60d75eb07afc076351e4b927cb03d86cc005
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e82a2a2a55d2ef6fe2ffc70073ed7b66a1376e0df96ddd955dad7e422f31968d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131429020
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Bassoon Concerto in C Major, RV 469: II. Largo · Machine-readable JSON-LD