ISRC USZGD9500400
Verified recording
USZGD9500400 is “Nocturnes, Op. 9: No. 1 in B-Flat Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x5d883cf3d41583875db925fa559e219c00909d300986ae9f5a329bd9036f43f8 and independently timestamped
in Bitcoin block 960503 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD9500400.
Recording identifiers
- ISRC
- USZGD9500400
- Title
- Nocturnes, Op. 9: No. 1 in B-Flat Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x5d883cf3d41583875db925fa559e219c00909d300986ae9f5a329bd9036f43f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:41:24+00:00
- Bitcoin block
- 960503
- Canonical record hash
sha256:83d5c30dc45d5c52168a8c3281189c77a742800d178250afdc2a084d7c9c8fb0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD9500400
- Bitcoin block existence check
- https://blockstream.info/api/block/960503
Full record
Track page: Nocturnes, Op. 9: No. 1 in B-Flat Minor · Machine-readable JSON-LD