ISRC CZA161800908
Verified recording
CZA161800908 is “12 Duos for 2 French Horns, K. 487: No. 5, Larghetto - Arr. for Horn and Chamber Orchestra” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x63ddc681dd184b3c6cb628e8a9b9b97068bc0a6169000c1b727a9b9ceccb4172 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/CZA161800908.
Recording identifiers
- ISRC
- CZA161800908
- Title
- 12 Duos for 2 French Horns, K. 487: No. 5, Larghetto - Arr. for Horn and Chamber Orchestra
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x63ddc681dd184b3c6cb628e8a9b9b97068bc0a6169000c1b727a9b9ceccb4172
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a4d9f15ac23f2a0edd3c6338045075d9c9cfb2a5127bd7a0a24037a04782ba4c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161800908
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Duos for 2 French Horns, K. 487: No. 5, Larghetto - Arr. for Horn and Chamber Orchestra · Machine-readable JSON-LD