ISRC USBC19710316
Verified recording
USBC19710316 is “Variations on a Theme of Paganini, Op. 35: Var. IV” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x367b92312324675a9a7cd5a8f72b9af162eac88b2246a7c4e5657966e6c17cd9 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19710316.
Recording identifiers
- ISRC
- USBC19710316
- Title
- Variations on a Theme of Paganini, Op. 35: Var. IV
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x367b92312324675a9a7cd5a8f72b9af162eac88b2246a7c4e5657966e6c17cd9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:38e9fe01e5f4b3308727c9f260419e58139b8266287a9bcee7a09c33bc2555fa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19710316
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Variations on a Theme of Paganini, Op. 35: Var. IV · Machine-readable JSON-LD