ISRC CALC42589312
Verified recording
CALC42589312 is “Violin Concerto in D Minor, BWV 1052R: III. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x8adb8515df0cf0b62fedad2bad17bbdf5d6dc3bc80d9a8a35cc01159c6f7f4f8 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589312.
Recording identifiers
- ISRC
- CALC42589312
- Title
- Violin Concerto in D Minor, BWV 1052R: III. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x8adb8515df0cf0b62fedad2bad17bbdf5d6dc3bc80d9a8a35cc01159c6f7f4f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:1ad9b8c340ff4d225af4ba4df620ff30c865156799286fb06420565dc29000d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589312
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Violin Concerto in D Minor, BWV 1052R: III. Allegro · Machine-readable JSON-LD