ISRC USBC10402628
Verified recording
USBC10402628 is “Piano Sonata No. 3 in B Minor, Op. 58: III. Largo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb68c90e9a97a2d1063ee270bac85d02c019755ad0b0d7dd58167eb8546be7a24 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402628.
Recording identifiers
- ISRC
- USBC10402628
- Title
- Piano Sonata No. 3 in B Minor, Op. 58: III. Largo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb68c90e9a97a2d1063ee270bac85d02c019755ad0b0d7dd58167eb8546be7a24
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:4f6705f2002952e6ab8591518dc1a70f9e2d9af80cb56a4003f3d4765e3478f6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402628
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 3 in B Minor, Op. 58: III. Largo · Machine-readable JSON-LD