ISRC FRZ141322051
Verified recording
FRZ141322051 is “String Quartet No. 16 in E Flat Major, K.428/421b: I. Allegro non troppo” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3fe6818cd469f3e8b453b2bb72dc8274ca3d8ed4a8e91b78d29d2e5ffe76c54e and independently timestamped
in Bitcoin block 960166 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322051.
Recording identifiers
- ISRC
- FRZ141322051
- Title
- String Quartet No. 16 in E Flat Major, K.428/421b: I. Allegro non troppo
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3fe6818cd469f3e8b453b2bb72dc8274ca3d8ed4a8e91b78d29d2e5ffe76c54e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:39:29+00:00
- Bitcoin block
- 960166
- Canonical record hash
sha256:bf883512e9e34546983bf3d8a5f4903fde205356354c5603e6c595cc3c06ac7a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141322051
- Bitcoin block existence check
- https://blockstream.info/api/block/960166
Full record
Track page: String Quartet No. 16 in E Flat Major, K.428/421b: I. Allegro non troppo · Machine-readable JSON-LD