ISRC CALC42589306
Verified recording
CALC42589306 is “Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: III. Tempo di Alla breve” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x3b1aec1b90ac53ad23bb585ea8919b84b074e86e86f666d7d5864c74b2e270f1 and independently timestamped
in Bitcoin block 960125 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589306.
Recording identifiers
- ISRC
- CALC42589306
- Title
- Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: III. Tempo di Alla breve
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x3b1aec1b90ac53ad23bb585ea8919b84b074e86e86f666d7d5864c74b2e270f1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:38:18+00:00
- Bitcoin block
- 960125
- Canonical record hash
sha256:aa9910c8a28333c70e4dc880f65c72320986ad3196d4f5121b618b430dc56a02- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589306
- Bitcoin block existence check
- https://blockstream.info/api/block/960125
Full record
Track page: Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: III. Tempo di Alla breve · Machine-readable JSON-LD