ISRC USSM11103455
Verified recording
USSM11103455 is “String Quartet No. 22 in B-Flat Major, K. 589 "Prussian No. 2": IV. Allegro assai” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xd3726f85371015b0cefeda7338949aa1372556bd88f2fd59e1548d1d78771b71 and independently timestamped
in Bitcoin block 960276 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11103455.
Recording identifiers
- ISRC
- USSM11103455
- Title
- String Quartet No. 22 in B-Flat Major, K. 589 "Prussian No. 2": IV. Allegro assai
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xd3726f85371015b0cefeda7338949aa1372556bd88f2fd59e1548d1d78771b71
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:01:17+00:00
- Bitcoin block
- 960276
- Canonical record hash
sha256:a980b53936ae730f2cefad23b8f2a9f6cccd7178b93fa74e42dfa998f5ec5fff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11103455
- Bitcoin block existence check
- https://blockstream.info/api/block/960276
Full record
Track page: String Quartet No. 22 in B-Flat Major, K. 589 "Prussian No. 2": IV. Allegro assai · Machine-readable JSON-LD