ISRC FRZ141322061
Verified recording
FRZ141322061 is “String Quartet No. 16 in E Flat Major, K.428/421b: II. Andante con moto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x16b9a59c9bcb0e71bc1f4b0712b40485071c79f08a717ae4db67ed4e7305fd10 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322061.
Recording identifiers
- ISRC
- FRZ141322061
- Title
- String Quartet No. 16 in E Flat Major, K.428/421b: II. Andante con moto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x16b9a59c9bcb0e71bc1f4b0712b40485071c79f08a717ae4db67ed4e7305fd10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:90cbc48ace5ac5187483656a337cca71835ec59f8802e29fc75423271e53dd8e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322061
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: String Quartet No. 16 in E Flat Major, K.428/421b: II. Andante con moto · Machine-readable JSON-LD