ISRC USHM10846403
Verified recording
USHM10846403 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Marche Funèbre": III. Marche Funèbre (Lento)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd9629f2a7ff505c3ad618dc70743e4776cec07caac56df4c25e6f6419c5272a4 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/USHM10846403.
Recording identifiers
- ISRC
- USHM10846403
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Marche Funèbre": III. Marche Funèbre (Lento)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd9629f2a7ff505c3ad618dc70743e4776cec07caac56df4c25e6f6419c5272a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:22ba0a07f4ab98dfd5c135e51b3ec08af811eeae7d4e8685696e0679aef2e002- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10846403
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Marche Funèbre": III. Marche Funèbre (Lento) · Machine-readable JSON-LD