ISRC USBC19901798
Verified recording
USBC19901798 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: 1. Grave - Doppio movimento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x5faad982b9110f9a678b7940994bb271a691d72b814028f9e2ad10642469e314 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901798.
Recording identifiers
- ISRC
- USBC19901798
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: 1. Grave - Doppio movimento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x5faad982b9110f9a678b7940994bb271a691d72b814028f9e2ad10642469e314
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:65e0037a425ced15e447b9843b94a8f9fd4e90bb8676d09d6f39c38bb6c2737e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901798
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: 1. Grave - Doppio movimento · Machine-readable JSON-LD