ISRC USBC19800522
Verified recording
USBC19800522 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: IV. Presto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0d05a19fb13c9666eeffccf94e7bb554d6adba5d09fe31abb635397f84013c37 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19800522.
Recording identifiers
- ISRC
- USBC19800522
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: IV. Presto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0d05a19fb13c9666eeffccf94e7bb554d6adba5d09fe31abb635397f84013c37
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:b7449b28b32e199fb620d1e8f0dbb5ee85fb835519656b4c461b8a8532ef0eb6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19800522
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: IV. Presto · Machine-readable JSON-LD