ISRC USBC19710302
Verified recording
USBC19710302 is “Variations on a Theme of Paganini, Op. 35: Var. IV” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xfbb6910b2e4cb38712ed0abb4ebb5d91247cb203196f8355de9cc9fabf4b1c11 and independently timestamped
in Bitcoin block 960199 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19710302.
Recording identifiers
- ISRC
- USBC19710302
- Title
- Variations on a Theme of Paganini, Op. 35: Var. IV
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xfbb6910b2e4cb38712ed0abb4ebb5d91247cb203196f8355de9cc9fabf4b1c11
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:30:29+00:00
- Bitcoin block
- 960199
- Canonical record hash
sha256:103beaf0106e74948e6f52284dead0f84e5356b71c9e31b7c4f1e7ed2142d050- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19710302
- Bitcoin block existence check
- https://blockstream.info/api/block/960199
Full record
Track page: Variations on a Theme of Paganini, Op. 35: Var. IV · Machine-readable JSON-LD