ISRC USSM11203190
Verified recording
USSM11203190 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": IV. Finale. Presto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x71c909c8f77fa7a3252f93421602e64aefbe8e92d8356c81e6be855cde197aab 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/USSM11203190.
Recording identifiers
- ISRC
- USSM11203190
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": IV. Finale. Presto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x71c909c8f77fa7a3252f93421602e64aefbe8e92d8356c81e6be855cde197aab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:2abb7c7e8102c09ed6309502b33a100959e98ca208e4fb5019eae30d06b18fa6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203190
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": IV. Finale. Presto · Machine-readable JSON-LD