ISRC CALC41701114
Verified recording
CALC41701114 is “Sonata for Two Violins in A Major, Op. 3 No. 2: I. Allegro” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0xd42a383ccf4d5a05dbd3192e3f41e88a0afedabdf186ffcc2b1c1b30557c6d15 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/CALC41701114.
Recording identifiers
- ISRC
- CALC41701114
- Title
- Sonata for Two Violins in A Major, Op. 3 No. 2: I. Allegro
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0xd42a383ccf4d5a05dbd3192e3f41e88a0afedabdf186ffcc2b1c1b30557c6d15
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b93edab728859f2dc17514c63e0b065f723d16669375319c8984e2c4e0d8dbb6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701114
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata for Two Violins in A Major, Op. 3 No. 2: I. Allegro · Machine-readable JSON-LD