ISRC FRZ171100980
Verified recording
FRZ171100980 is “Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x47bf633865fb00259fcfba48d41a20e6f921138cf3619efb0856ccbfee5835a4 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ171100980.
Recording identifiers
- ISRC
- FRZ171100980
- Title
- Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x47bf633865fb00259fcfba48d41a20e6f921138cf3619efb0856ccbfee5835a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3ab8940bba08ce813b25e7fa3554d1256b2f113e43d2b33a5953a000ad54216e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ171100980
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro maestoso · Machine-readable JSON-LD