ISRC CAJ722285302
Verified recording
CAJ722285302 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
0xe4081b1657665953cdaca615a5cbad8605c7966d47425f8aa2c16a82cc75a30b and independently timestamped
in Bitcoin block 960296 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ722285302.
Recording identifiers
- ISRC
- CAJ722285302
- 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)
0xe4081b1657665953cdaca615a5cbad8605c7966d47425f8aa2c16a82cc75a30b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:11:09+00:00
- Bitcoin block
- 960296
- Canonical record hash
sha256:7e5ae9de3830726127bf975fa572d9dc96d48f1bbdb4e9cb12276a8a8d498e59- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ722285302
- Bitcoin block existence check
- https://blockstream.info/api/block/960296
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