ISRC CALC42589402
Verified recording
CALC42589402 is “Violin Concerto in A Minor, BWV 1041: II. Andante” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xe25401523c353e92b9a27eb062ed2ec776faeed8eefcd25c1441edb903ca7354 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/CALC42589402.
Recording identifiers
- ISRC
- CALC42589402
- Title
- Violin Concerto in A Minor, BWV 1041: II. Andante
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xe25401523c353e92b9a27eb062ed2ec776faeed8eefcd25c1441edb903ca7354
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:2196610329d84539abe49d1109b9d6bb349d10a4b8e23fdb01c72db13a0e46c5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589402
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Violin Concerto in A Minor, BWV 1041: II. Andante · Machine-readable JSON-LD