ISRC FRZ171100910
Verified recording
FRZ171100910 is “Horn Concerto No. 1 in D Major, K. 412: II. Rondo allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x64f3c07132c54235c214fbef90faecd29f9013da4ae80d34a27bb6001188f624 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ171100910.
Recording identifiers
- ISRC
- FRZ171100910
- Title
- Horn Concerto No. 1 in D Major, K. 412: II. Rondo allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x64f3c07132c54235c214fbef90faecd29f9013da4ae80d34a27bb6001188f624
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:a0ab7ef8f824209806665003a426ab0c459b9f2fb732639eedd38db030638128- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ171100910
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Horn Concerto No. 1 in D Major, K. 412: II. Rondo allegro · Machine-readable JSON-LD