ISRC USB8U1011308

Verified recording

USB8U1011308 is “Duetto in D Minor, Op. 1: III. Allegro” by Christoph Schaffrath, registered on the CopyrightChains blockchain with CopyrightID 0xfbc3a34749bad172fa5dd30df396ff30b6a7ec30cbacc5dfef8b17b01a047a43 and independently timestamped in Bitcoin block 960321 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1011308.

Recording identifiers

ISRC
USB8U1011308
Title
Duetto in D Minor, Op. 1: III. Allegro
Artist
Christoph Schaffrath
CopyrightID (CopyrightChains transaction hash)
0xfbc3a34749bad172fa5dd30df396ff30b6a7ec30cbacc5dfef8b17b01a047a43

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30+00:00
Bitcoin block
960321
Canonical record hash
sha256:0ba12a31c11d6b0b9054f326d726495d37e9a9b6dab7045e1a417bbdd74ea562
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1011308
Bitcoin block existence check
https://blockstream.info/api/block/960321

Full record

Track page: Duetto in D Minor, Op. 1: III. Allegro · Machine-readable JSON-LD