ISRC CZA161800919
Verified recording
CZA161800919 is “12 Duos for 2 French Horns, K. 487: No. 6, Allegro - Arr. for Horn and Chamber Orchestra” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x5aa25e653e6d209add89c963b0de437f0ee370eb0baea1280fc2de1ccb066210 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/CZA161800919.
Recording identifiers
- ISRC
- CZA161800919
- Title
- 12 Duos for 2 French Horns, K. 487: No. 6, Allegro - Arr. for Horn and Chamber Orchestra
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x5aa25e653e6d209add89c963b0de437f0ee370eb0baea1280fc2de1ccb066210
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:05682dc4b1e920e9fe8cd96ef5fcd9a19536ff11166072e0a8825f40611beacc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800919
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Duos for 2 French Horns, K. 487: No. 6, Allegro - Arr. for Horn and Chamber Orchestra · Machine-readable JSON-LD