ISRC CZA161800915
Verified recording
CZA161800915 is “12 Duos for 2 French Horns, K. 487: No. 2, Allegro - Arr. for Horn and Chamber Orchestra” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x2bfe1b83e6c9e814bb2f56deb506bfc575c6624d1a21ad442ce069f41d0196bd and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800915.
Recording identifiers
- ISRC
- CZA161800915
- Title
- 12 Duos for 2 French Horns, K. 487: No. 2, Allegro - Arr. for Horn and Chamber Orchestra
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x2bfe1b83e6c9e814bb2f56deb506bfc575c6624d1a21ad442ce069f41d0196bd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:ae130396dc1134012caaa7c3c94ba5b9f545aba09c81a226eb0716e07eb45cc8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800915
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: 12 Duos for 2 French Horns, K. 487: No. 2, Allegro - Arr. for Horn and Chamber Orchestra · Machine-readable JSON-LD