ISRC FRZ140621030
Verified recording
FRZ140621030 is “Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo (Allegro vivace)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x8d1ed028b7e340a5d7c88ac758c4bb1f7807d99d6cdf4ef53a6a7329a5452e87 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140621030.
Recording identifiers
- ISRC
- FRZ140621030
- Title
- Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo (Allegro vivace)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x8d1ed028b7e340a5d7c88ac758c4bb1f7807d99d6cdf4ef53a6a7329a5452e87
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:226c830286e7e5b8040895f25b54ac97bc13f01c426093e2f8a182f6deeb58de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140621030
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo (Allegro vivace) · Machine-readable JSON-LD