ISRC USBC18600144
Verified recording
USBC18600144 is “Ballades: No. 4 in F Minor, Op. 52” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf01509b2c6ebbedf3a30acedf9c6c0ba224a4f700ad1f93bf1792a3f7c3b20da and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18600144.
Recording identifiers
- ISRC
- USBC18600144
- Title
- Ballades: No. 4 in F Minor, Op. 52
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf01509b2c6ebbedf3a30acedf9c6c0ba224a4f700ad1f93bf1792a3f7c3b20da
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:1f7ff11da1fe6706b349c408b8438cf7fe7cb24347292ba6e3abba066ff08001- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18600144
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Ballades: No. 4 in F Minor, Op. 52 · Machine-readable JSON-LD