ISRC USB8U1601075
Verified recording
USB8U1601075 is “Serenade No. 6 in D Major, K. 239, "Serenata Notturna": I. Marcia: Maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf7f58ca7e41b5c660474072ad9fee4de88e25225aa12633562fbf2cbfc9072aa 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/USB8U1601075.
Recording identifiers
- ISRC
- USB8U1601075
- Title
- Serenade No. 6 in D Major, K. 239, "Serenata Notturna": I. Marcia: Maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf7f58ca7e41b5c660474072ad9fee4de88e25225aa12633562fbf2cbfc9072aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:bde35f4ce2b416ebd35e6fe60b6df6345c55593ae1432dad04e83b249a1d3f60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1601075
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Serenade No. 6 in D Major, K. 239, "Serenata Notturna": I. Marcia: Maestoso · Machine-readable JSON-LD