ISRC USZGD0100019
Verified recording
USZGD0100019 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": III. Marche funèbre. Lento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x3b1941c79e5438e17dc216191cf02d3e4764c584bcdf895bcd266d138ad169ea and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD0100019.
Recording identifiers
- ISRC
- USZGD0100019
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": III. Marche funèbre. Lento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x3b1941c79e5438e17dc216191cf02d3e4764c584bcdf895bcd266d138ad169ea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b93b716e0ee42e44d3abc176aa31d56d829b60073101e1b5b026fab98a84a66a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD0100019
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": III. Marche funèbre. Lento · Machine-readable JSON-LD