ISRC FRZ171100940
Verified recording
FRZ171100940 is “Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3704ad91e5958eff8a43ce4bb88f8fc4792fd3f9c8e1921c29a371b337448f0d and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ171100940.
Recording identifiers
- ISRC
- FRZ171100940
- Title
- Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3704ad91e5958eff8a43ce4bb88f8fc4792fd3f9c8e1921c29a371b337448f0d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:27abc5fd0d9061b2a6356e75a5c4e093071b4eb291368bb9d149e33d7ecffe49- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ171100940
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo allegro · Machine-readable JSON-LD