ISRC FRZ209630302
Verified recording
FRZ209630302 is “Mozart: Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romance. Larghetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x95e3be925641bd38c824d490c09236715e492ab176f548f7511780816d23b090 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/FRZ209630302.
Recording identifiers
- ISRC
- FRZ209630302
- Title
- Mozart: Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romance. Larghetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x95e3be925641bd38c824d490c09236715e492ab176f548f7511780816d23b090
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9e54ae7471bb8f5da701d065445cca42eddb1ee4f25dc268bc19fac2ab9b8d8d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209630302
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Mozart: Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romance. Larghetto · Machine-readable JSON-LD