ISRC CZA161800917
Verified recording
CZA161800917 is “12 Duos for 2 French Horns, K. 487: No. 4, Andante - Arr. for Horn and Chamber Orchestra” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb68ad1132c83f954c673946e04751bc900728dd797ff08a66858c1d2d2b6bdde and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800917.
Recording identifiers
- ISRC
- CZA161800917
- Title
- 12 Duos for 2 French Horns, K. 487: No. 4, Andante - Arr. for Horn and Chamber Orchestra
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb68ad1132c83f954c673946e04751bc900728dd797ff08a66858c1d2d2b6bdde
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:90f3768fda6aa833ae8b4fbd3cd4722cebed1b7338ba25b1bc337ac86c27d003- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800917
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: 12 Duos for 2 French Horns, K. 487: No. 4, Andante - Arr. for Horn and Chamber Orchestra · Machine-readable JSON-LD