ISRC USBC19800519
Verified recording
USBC19800519 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave - Doppio movimento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x49351d72a0411190a5f519bdf6c88da5a8087820eb04e6ad0d3b5135e740f442 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/USBC19800519.
Recording identifiers
- ISRC
- USBC19800519
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave - Doppio movimento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x49351d72a0411190a5f519bdf6c88da5a8087820eb04e6ad0d3b5135e740f442
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:02d52bbff08be76278050c511a0f34d41388bf4293c630cb792f6b30afbe1f46- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19800519
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave - Doppio movimento · Machine-readable JSON-LD