ISRC USBC16000320
Verified recording
USBC16000320 is “Violin Sonata in A Major No. 9, Op. 47 "Kreutzer": II. Variation IV” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xdef72b081c61b8761060267ee6eea81025e9681b1b534a82fb41f462f56f619f and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16000320.
Recording identifiers
- ISRC
- USBC16000320
- Title
- Violin Sonata in A Major No. 9, Op. 47 "Kreutzer": II. Variation IV
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xdef72b081c61b8761060267ee6eea81025e9681b1b534a82fb41f462f56f619f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:cd1cd3acfc3ba257aa5445d5d61de145dc769403b2631e1417db0cfc9757224e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16000320
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Violin Sonata in A Major No. 9, Op. 47 "Kreutzer": II. Variation IV · Machine-readable JSON-LD