ISRC CALC41701111
Verified recording
CALC41701111 is “Sonata for Two Violins in G Major, Op. 3 No. 1: I. Allegro” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0xe12fc2a5ef4f1251f37cf2ada6717e16d156d4736b319fecd22079b2e804f8ed and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701111.
Recording identifiers
- ISRC
- CALC41701111
- Title
- Sonata for Two Violins in G Major, Op. 3 No. 1: I. Allegro
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0xe12fc2a5ef4f1251f37cf2ada6717e16d156d4736b319fecd22079b2e804f8ed
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:739b75408ae8fda025baa33a73eba66b179ced0a08caccf6a228fe68c3b625a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701111
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Sonata for Two Violins in G Major, Op. 3 No. 1: I. Allegro · Machine-readable JSON-LD