ISRC USBC19705226
Verified recording
USBC19705226 is “24 Preludes, Op. 28: Prelude No. 20 in C minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1d52d4c94d8e96041ecf2e7cb0be59f3989e34a266078ef0c6e56d3d933a0ea1 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705226.
Recording identifiers
- ISRC
- USBC19705226
- Title
- 24 Preludes, Op. 28: Prelude No. 20 in C minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1d52d4c94d8e96041ecf2e7cb0be59f3989e34a266078ef0c6e56d3d933a0ea1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:aaf114bb30e4bb66a288ed94292af723a264885384ea6d5419db359cd0566396- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705226
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 20 in C minor · Machine-readable JSON-LD