ISRC USSM11203187
Verified recording
USSM11203187 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": I. Grave - Doppio movimento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x468cab13b0f1748050f61873c880b1f5ed9a93a001aff15c5e4a07efa173c34f and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203187.
Recording identifiers
- ISRC
- USSM11203187
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": I. Grave - Doppio movimento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x468cab13b0f1748050f61873c880b1f5ed9a93a001aff15c5e4a07efa173c34f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:9efcb7ebe72f6af44b0615f42524c52efcb6444251b6ba7eca400327b689a139- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203187
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": I. Grave - Doppio movimento · Machine-readable JSON-LD