ISRC CALC41701112
Verified recording
CALC41701112 is “Sonata for Two Violins in G Major, Op. 3 No. 1: II. Allegro ma poco” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0x367eca8ba6f6fce6b930b14627fb37a63c0979aa59fd34ecf19d9a38cacf4516 and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701112.
Recording identifiers
- ISRC
- CALC41701112
- Title
- Sonata for Two Violins in G Major, Op. 3 No. 1: II. Allegro ma poco
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0x367eca8ba6f6fce6b930b14627fb37a63c0979aa59fd34ecf19d9a38cacf4516
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:9f5df35a1b9351530d5da7cc8e7035d9d9c97c21d0073918f5f56daf8b67a30e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701112
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: Sonata for Two Violins in G Major, Op. 3 No. 1: II. Allegro ma poco · Machine-readable JSON-LD