ISRC USBC19901792
Verified recording
USBC19901792 is “24 Preludes, Op. 28: Prelude No. 18 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x3873f899c33d3643af0c37bd1e5b6de99102d900bdcff513cd15c9be38172524 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901792.
Recording identifiers
- ISRC
- USBC19901792
- Title
- 24 Preludes, Op. 28: Prelude No. 18 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x3873f899c33d3643af0c37bd1e5b6de99102d900bdcff513cd15c9be38172524
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:c0f261b62bd4ae01c23d2806b31c4087d4ae5c319f2b1f29008f6a8d571c01e1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901792
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 18 in F Minor · Machine-readable JSON-LD