ISRC FRZ111200318
Verified recording
FRZ111200318 is “Mozart: Piano Concerto No. 21 in C Major, K. 467: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x23b04cb1fd9c5f83dafe4e109dc8feaec0971c77d400f61d86f22da5ea22392b and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111200318.
Recording identifiers
- ISRC
- FRZ111200318
- Title
- Mozart: Piano Concerto No. 21 in C Major, K. 467: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x23b04cb1fd9c5f83dafe4e109dc8feaec0971c77d400f61d86f22da5ea22392b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f94f72ef6985e9c71d75e7263928d043e6516814f325b12bcafbad00be114294- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111200318
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Mozart: Piano Concerto No. 21 in C Major, K. 467: I. Allegro maestoso · Machine-readable JSON-LD