ISRC FRZ200300999
Verified recording
FRZ200300999 is “Flute and Harp Concerto in C Major, K. 299: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x41b8534b07d638c1e0daa3d623ffcaf15e9f81edfbb0b58959d23d286db2ee70 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200300999.
Recording identifiers
- ISRC
- FRZ200300999
- Title
- Flute and Harp Concerto in C Major, K. 299: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x41b8534b07d638c1e0daa3d623ffcaf15e9f81edfbb0b58959d23d286db2ee70
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:64ce847963a0cc64a309cd8578c29607b8a7bc7a1786648d499ca725a6c1c89d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200300999
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: Flute and Harp Concerto in C Major, K. 299: I. Allegro · Machine-readable JSON-LD