ISRC CZA161800914
Verified recording
CZA161800914 is “12 Duos for 2 French Horns, K. 487: No. 1, Adagio - Arr. for Horn and Chamber Orchestra” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xfd01e4b8590c1d3411cae8384b48d76c845fcc79311e98c3e510031ca2bab682 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800914.
Recording identifiers
- ISRC
- CZA161800914
- Title
- 12 Duos for 2 French Horns, K. 487: No. 1, Adagio - Arr. for Horn and Chamber Orchestra
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xfd01e4b8590c1d3411cae8384b48d76c845fcc79311e98c3e510031ca2bab682
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:dc8d411218eda558d141512c5b6c9bdd85de18f85a62e508014e796b7c1bf66f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800914
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Duos for 2 French Horns, K. 487: No. 1, Adagio - Arr. for Horn and Chamber Orchestra · Machine-readable JSON-LD