ISRC USBC10401986
Verified recording
USBC10401986 is “Piano Sonata No. 2, Op. 35, in B-flat Minor: Marche funèbre” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x470ee5918aa41e315c880ea98483bade23947d597d30fe04c93b5cc3d90dde18 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10401986.
Recording identifiers
- ISRC
- USBC10401986
- Title
- Piano Sonata No. 2, Op. 35, in B-flat Minor: Marche funèbre
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x470ee5918aa41e315c880ea98483bade23947d597d30fe04c93b5cc3d90dde18
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:537c05584d0af826e1e0a05e5faef0c0b4d7033af67eb932b75ddd9284876abe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10401986
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 2, Op. 35, in B-flat Minor: Marche funèbre · Machine-readable JSON-LD