ISRC CALC42589303
Verified recording
CALC42589303 is “Violin Concerto in E Major, BWV 1042: III. Allegro assai” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x0f4c81fc5617c1e40b828306e791c7254ab3d332db962eb50ddce6f4ee86e7b1 and independently timestamped
in Bitcoin block 960352 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589303.
Recording identifiers
- ISRC
- CALC42589303
- Title
- Violin Concerto in E Major, BWV 1042: III. Allegro assai
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x0f4c81fc5617c1e40b828306e791c7254ab3d332db962eb50ddce6f4ee86e7b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:30+00:00
- Bitcoin block
- 960352
- Canonical record hash
sha256:cd854490f61edd859d696f182e636ab372c58bf2605714b496586d9900c9753c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42589303
- Bitcoin block existence check
- https://blockstream.info/api/block/960352
Full record
Track page: Violin Concerto in E Major, BWV 1042: III. Allegro assai · Machine-readable JSON-LD