ISRC USB8U1008347
Verified recording
USB8U1008347 is “Violin Concerto No. 4 in D Major, K. 218: II. Andante cantabile” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xe077b4bad51366a2b2b8699972341797117b5ec764ad86f1731b1f47681392a9 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1008347.
Recording identifiers
- ISRC
- USB8U1008347
- Title
- Violin Concerto No. 4 in D Major, K. 218: II. Andante cantabile
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xe077b4bad51366a2b2b8699972341797117b5ec764ad86f1731b1f47681392a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:ed8eaa77b7567669a823f89a48f70d4c1da6fc966c3e571b1905b48c6a27eba0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1008347
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Violin Concerto No. 4 in D Major, K. 218: II. Andante cantabile · Machine-readable JSON-LD