ISRC USB8U1011307

Verified recording

USB8U1011307 is “Duetto in D Minor, Op. 1: II. Adagio” by Christoph Schaffrath, registered on the CopyrightChains blockchain with CopyrightID 0x2b67b23c1359c5ebab00006ae80cf312c340e91e7309865a4583a46cae28c9cf and independently timestamped in Bitcoin block 960222 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1011307.

Recording identifiers

ISRC
USB8U1011307
Title
Duetto in D Minor, Op. 1: II. Adagio
Artist
Christoph Schaffrath
CopyrightID (CopyrightChains transaction hash)
0x2b67b23c1359c5ebab00006ae80cf312c340e91e7309865a4583a46cae28c9cf

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T07:48:45+00:00
Bitcoin block
960222
Canonical record hash
sha256:0f1a6c0f931b652d9e547cab131ae53a95d6721e0fe6df8716b1ef1fea05e65e
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1011307
Bitcoin block existence check
https://blockstream.info/api/block/960222

Full record

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