ISRC USZGD9500420
Verified recording
USZGD9500420 is “Nocturne in C Minor, B. 108” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1e1d1e1b866149dd2db60a76cd8b54b773e17eaddb12b969e93f40c1e1428b21 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD9500420.
Recording identifiers
- ISRC
- USZGD9500420
- Title
- Nocturne in C Minor, B. 108
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1e1d1e1b866149dd2db60a76cd8b54b773e17eaddb12b969e93f40c1e1428b21
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:09428de0e9ff3ac2d4b627524b96dc510b14163235343df1c1967579219d15a0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD9500420
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Nocturne in C Minor, B. 108 · Machine-readable JSON-LD