ISRC USKC61317602
Verified recording
USKC61317602 is “Sonata for 2 Violins in G Major, Op. 3, No. 1: II. Allegro ma poco” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0x0b471ce398ff53d2f1d391a13c7bd100d66590f4563796b7fa7559472d005341 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61317602.
Recording identifiers
- ISRC
- USKC61317602
- Title
- Sonata for 2 Violins in G Major, Op. 3, No. 1: II. Allegro ma poco
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0x0b471ce398ff53d2f1d391a13c7bd100d66590f4563796b7fa7559472d005341
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:7f0ce7cb24cb872b20a8581cda8a6f8d1e23223e6fd9702ce55a713a39231304- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61317602
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Sonata for 2 Violins in G Major, Op. 3, No. 1: II. Allegro ma poco · Machine-readable JSON-LD