ISRC USSM10311568
Verified recording
USSM10311568 is “Serenade No. 9 in D Major, K. 320 "Posthorn": I. Adagio maestoso - Allegro con spirito” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf3b197a40454c5c72a5cbb008cf1a4aa6696c6713953d1e8ba9d4ce8ccb930e3 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/USSM10311568.
Recording identifiers
- ISRC
- USSM10311568
- Title
- Serenade No. 9 in D Major, K. 320 "Posthorn": I. Adagio maestoso - Allegro con spirito
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf3b197a40454c5c72a5cbb008cf1a4aa6696c6713953d1e8ba9d4ce8ccb930e3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5ab4f7d8a7666127e82427cf1e10d4c4f995302b72f321d49140cf6c372a2e89- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10311568
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Serenade No. 9 in D Major, K. 320 "Posthorn": I. Adagio maestoso - Allegro con spirito · Machine-readable JSON-LD