ISRC CALC41701123
Verified recording
CALC41701123 is “Sonata for Two Violins in E Minor, Op. 3 No. 5: I. Allegro ma poco” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0xff595abc184f90eba1b902b1c1856cd971bcdb53233eb1d9691b21eb606a0fed and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701123.
Recording identifiers
- ISRC
- CALC41701123
- Title
- Sonata for Two Violins in E Minor, Op. 3 No. 5: I. Allegro ma poco
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0xff595abc184f90eba1b902b1c1856cd971bcdb53233eb1d9691b21eb606a0fed
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3a8b8b102ab35750b27f3a824c8dd7984c4d7d3e977ad16e082ea5da7f03e331- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701123
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata for Two Violins in E Minor, Op. 3 No. 5: I. Allegro ma poco · Machine-readable JSON-LD