ISRC CZA161800905
Verified recording
CZA161800905 is “12 Duos for 2 French Horns, K. 487: No. 2, Menuetto. Allegretto - Arr. for Horn and Chamber Orchestra” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xa3e6925a04df4a3e96948176e2bf97f1f6700d39266f90fa8cd5e2d4e70fc97a and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800905.
Recording identifiers
- ISRC
- CZA161800905
- Title
- 12 Duos for 2 French Horns, K. 487: No. 2, Menuetto. Allegretto - Arr. for Horn and Chamber Orchestra
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xa3e6925a04df4a3e96948176e2bf97f1f6700d39266f90fa8cd5e2d4e70fc97a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:689e5f13883ce2e316d670fbcdfef9d98f5b3fe4c30eedfecdf5b36e51839751- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800905
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: 12 Duos for 2 French Horns, K. 487: No. 2, Menuetto. Allegretto - Arr. for Horn and Chamber Orchestra · Machine-readable JSON-LD