ISRC USV351456234
Verified recording
USV351456234 is “Concerto for Two Violins, Strings and Continuo in D Minor, BWV 1043: II Largo ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x63aa0c07cefd71307aa785b3d8cac1dfa7b5f19d8013d226583b0b8e2c23c63a and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351456234.
Recording identifiers
- ISRC
- USV351456234
- Title
- Concerto for Two Violins, Strings and Continuo in D Minor, BWV 1043: II Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x63aa0c07cefd71307aa785b3d8cac1dfa7b5f19d8013d226583b0b8e2c23c63a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:2b0bbb372eea5711307e120e77529e2c017afd786197cfbb7751381267a300c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351456234
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Concerto for Two Violins, Strings and Continuo in D Minor, BWV 1043: II Largo ma non tanto · Machine-readable JSON-LD