ISRC FRZ208006301
Verified recording
FRZ208006301 is “Mozart: Sinfonia concertante for Violin and Viola in E-Flat Major, K. 364: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x629c4a1084081f16978080b82d2c592cdc654d722050bf38133e513df4757f0b and independently timestamped
in Bitcoin block 960250 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208006301.
Recording identifiers
- ISRC
- FRZ208006301
- Title
- Mozart: Sinfonia concertante for Violin and Viola in E-Flat Major, K. 364: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x629c4a1084081f16978080b82d2c592cdc654d722050bf38133e513df4757f0b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T11:13:28+00:00
- Bitcoin block
- 960250
- Canonical record hash
sha256:69f2c3b3667f66c059c3350c4abf5d7d04f774095b003ec85c7ca4b697f998ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208006301
- Bitcoin block existence check
- https://blockstream.info/api/block/960250
Full record
Track page: Mozart: Sinfonia concertante for Violin and Viola in E-Flat Major, K. 364: I. Allegro maestoso · Machine-readable JSON-LD