ISRC USKC61317604
Verified recording
USKC61317604 is “Sonata for 2 Violins in A Major, Op. 3, No. 2: I. Allegro” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0x28a78ef88ebe636f57c62cd73cb3312243d431e71a4df3e78ebcb949036af69f 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/USKC61317604.
Recording identifiers
- ISRC
- USKC61317604
- Title
- Sonata for 2 Violins in A Major, Op. 3, No. 2: I. Allegro
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0x28a78ef88ebe636f57c62cd73cb3312243d431e71a4df3e78ebcb949036af69f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d3c7d833aebb0549627a7f5593d7ce22f17e222cc5738373cf83b4b7ba40450d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61317604
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata for 2 Violins in A Major, Op. 3, No. 2: I. Allegro · Machine-readable JSON-LD