ISRC CALC42589304
Verified recording
CALC42589304 is “Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: I. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4f2d587b1f48dcc64dc77ea9a03c159fbdb01444be6cef0efe01b98b69d9dce5 and independently timestamped
in Bitcoin block 959109 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589304.
Recording identifiers
- ISRC
- CALC42589304
- Title
- Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: I. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4f2d587b1f48dcc64dc77ea9a03c159fbdb01444be6cef0efe01b98b69d9dce5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T07:21:40+00:00
- Bitcoin block
- 959109
- Canonical record hash
sha256:185e77a3f51faaff3f0dd6bd2a02af1d52a3bb1f1b85d42f7aff4360df68d5f7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589304
- Bitcoin block existence check
- https://blockstream.info/api/block/959109
Full record
Track page: Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: I. Allegro · Machine-readable JSON-LD