ISRC CZA161800904
Verified recording
CZA161800904 is “12 Duos for 2 French Horns, K. 487: No. 1, Allegro - Arr. for Horn and Chamber Orchestra” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb70114c002c6f2915fc532ae926495aed7888238c6f76ca121216f0f27e02bb6 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800904.
Recording identifiers
- ISRC
- CZA161800904
- Title
- 12 Duos for 2 French Horns, K. 487: No. 1, Allegro - Arr. for Horn and Chamber Orchestra
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb70114c002c6f2915fc532ae926495aed7888238c6f76ca121216f0f27e02bb6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:c20967ff8e3b4b699183b6e63f259447b597c03c286736e3318bc20be152c209- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800904
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 12 Duos for 2 French Horns, K. 487: No. 1, Allegro - Arr. for Horn and Chamber Orchestra · Machine-readable JSON-LD