ISRC CALC41701127
Verified recording
CALC41701127 is “Sonata for Two Violins in D Major, Op. 3 No. 6: II. Allegro” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0x6ebd1ddd69aa461aae66aaefa75451fe4ea83d3b95bc3b934e3d9c7600082d2c and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701127.
Recording identifiers
- ISRC
- CALC41701127
- Title
- Sonata for Two Violins in D Major, Op. 3 No. 6: II. Allegro
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0x6ebd1ddd69aa461aae66aaefa75451fe4ea83d3b95bc3b934e3d9c7600082d2c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:553afc6d7c092ccc82a58a647f35529e5a89b5d498516bc26968b3ac17fe654b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701127
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Sonata for Two Violins in D Major, Op. 3 No. 6: II. Allegro · Machine-readable JSON-LD