ISRC CZA161800906
Verified recording
CZA161800906 is “12 Duos for 2 French Horns, K. 487: No. 3, Andante - Arr. for Horn and Chamber Orchestra” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4d57e806af05a36c5375f5267497f5c0a94564842a87e84da2bf1822e927fc35 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800906.
Recording identifiers
- ISRC
- CZA161800906
- Title
- 12 Duos for 2 French Horns, K. 487: No. 3, Andante - Arr. for Horn and Chamber Orchestra
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4d57e806af05a36c5375f5267497f5c0a94564842a87e84da2bf1822e927fc35
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:de4fda7fe96c6593639d3bdf5de20e5e65c4ad209b23db21e818da1eb6a1f0f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800906
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 12 Duos for 2 French Horns, K. 487: No. 3, Andante - Arr. for Horn and Chamber Orchestra · Machine-readable JSON-LD