ISRC USBC19901775
Verified recording
USBC19901775 is “24 Preludes, Op. 28: Prelude No. 1 in C Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb8cc63401fc768ace9c556676399414b21678a2ec851201fc88e8eff5a065e77 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901775.
Recording identifiers
- ISRC
- USBC19901775
- Title
- 24 Preludes, Op. 28: Prelude No. 1 in C Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb8cc63401fc768ace9c556676399414b21678a2ec851201fc88e8eff5a065e77
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:248f294977fc1ae7e4b42ad9cccdc577b3b1b1081dbaf82b3289df43b739fc12- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901775
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 1 in C Major · Machine-readable JSON-LD