ISRC FRZ141322080
Verified recording
FRZ141322080 is “String Quartet No. 16 in E Flat Major, K.428/421b: IV. Allegro vivace” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x47094b482b77fea5a19b3e373252c1b9c98a17df14fd508ea6331ad8dbccf641 and independently timestamped
in Bitcoin block 960193 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322080.
Recording identifiers
- ISRC
- FRZ141322080
- Title
- String Quartet No. 16 in E Flat Major, K.428/421b: IV. Allegro vivace
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x47094b482b77fea5a19b3e373252c1b9c98a17df14fd508ea6331ad8dbccf641
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:05:19+00:00
- Bitcoin block
- 960193
- Canonical record hash
sha256:f6eb5f5c33b418a207414f46933cb43db28db191860143fcb35ff3a2e3b4a188- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322080
- Bitcoin block existence check
- https://blockstream.info/api/block/960193
Full record
Track page: String Quartet No. 16 in E Flat Major, K.428/421b: IV. Allegro vivace · Machine-readable JSON-LD