ISRC USBC16000319

Verified recording

USBC16000319 is “Violin Sonata in A Major No. 9, Op. 47 "Kreutzer": II. Variation III” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0xb822b93ccc3f99e622586bb673e6676b8f25b70847a298b39eb3b7f51fd2d04e and independently timestamped in Bitcoin block 960302 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16000319.

Recording identifiers

ISRC
USBC16000319
Title
Violin Sonata in A Major No. 9, Op. 47 "Kreutzer": II. Variation III
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0xb822b93ccc3f99e622586bb673e6676b8f25b70847a298b39eb3b7f51fd2d04e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T20:09:33+00:00
Bitcoin block
960302
Canonical record hash
sha256:ab2502a413e39423cdbac40d3943f68320ebeac86efb8647a01115b8aeaa6422
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16000319
Bitcoin block existence check
https://blockstream.info/api/block/960302

Full record

Track page: Violin Sonata in A Major No. 9, Op. 47 "Kreutzer": II. Variation III · Machine-readable JSON-LD