ISRC CALC41701117
Verified recording
CALC41701117 is “Sonata for Two Violins in C Major, Op. 3 No. 3: I. Adagio – Vivace” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0x2ad6c7e93867072747479b59cdec7d50e5a200158d3f683ba404ec28f6572329 and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701117.
Recording identifiers
- ISRC
- CALC41701117
- Title
- Sonata for Two Violins in C Major, Op. 3 No. 3: I. Adagio – Vivace
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0x2ad6c7e93867072747479b59cdec7d50e5a200158d3f683ba404ec28f6572329
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:e997d2d480737aeae62d45dbe86c150d0d7f4f5d7b8cf430f770acb885e245e6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701117
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: Sonata for Two Violins in C Major, Op. 3 No. 3: I. Adagio – Vivace · Machine-readable JSON-LD