ISRC FRZ148906060
Verified recording
FRZ148906060 is “Clarinet Concerto in A Major, K. 622: III. Rondo (Allegro)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf3c263596bffa3be6b8733612a8650c68765ebded6de67c474a28fb9f4302686 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/FRZ148906060.
Recording identifiers
- ISRC
- FRZ148906060
- Title
- Clarinet Concerto in A Major, K. 622: III. Rondo (Allegro)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf3c263596bffa3be6b8733612a8650c68765ebded6de67c474a28fb9f4302686
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:20de248032bf1167fde26f0a2c19bd3d3f77d0dd07aa5965dcbcd94d929d1c6e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ148906060
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Clarinet Concerto in A Major, K. 622: III. Rondo (Allegro) · Machine-readable JSON-LD