ISRC CALC42589310
Verified recording
CALC42589310 is “Violin Concerto in D Minor, BWV 1052R: I. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x3f057f58011c87fddffe6f6874fd0d61ced3799ea78cf757e6935780a462c11b and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589310.
Recording identifiers
- ISRC
- CALC42589310
- Title
- Violin Concerto in D Minor, BWV 1052R: I. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x3f057f58011c87fddffe6f6874fd0d61ced3799ea78cf757e6935780a462c11b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:6d5827328badb9b270cbfe591e520222e8c99aedbbd29aad9e6a2545fcb7d2ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589310
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Violin Concerto in D Minor, BWV 1052R: I. Allegro · Machine-readable JSON-LD