ISRC CALC41701118
Verified recording
CALC41701118 is “Sonata for Two Violins in C Major, Op. 3 No. 3: II. Adagio” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0x678b40a81eade7851ee92e1c7d66be81101000392e4a31c266d5330c8447ae53 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701118.
Recording identifiers
- ISRC
- CALC41701118
- Title
- Sonata for Two Violins in C Major, Op. 3 No. 3: II. Adagio
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0x678b40a81eade7851ee92e1c7d66be81101000392e4a31c266d5330c8447ae53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:d9c34d32ec46a0567ff6f033becacc4b618ef49856e5ec1fa748a07177d1b584- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701118
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Sonata for Two Violins in C Major, Op. 3 No. 3: II. Adagio · Machine-readable JSON-LD