ISRC FRZ119502960
Verified recording
FRZ119502960 is “Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xa4c2a6a0a725db6036999e95c4e95e10c12d0b847615dd5bd47366dd2eedc19b 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/FRZ119502960.
Recording identifiers
- ISRC
- FRZ119502960
- Title
- Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xa4c2a6a0a725db6036999e95c4e95e10c12d0b847615dd5bd47366dd2eedc19b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:d1f04487daa3103cafae0a7fdd268b560c2e111a3a441649b3919b20fa0b43e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119502960
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto · Machine-readable JSON-LD