ISRC GBBBA0442844
Verified recording
GBBBA0442844 is “Piano Sonata No. 2 in B flat minor, Op. 35: 4. Finale (Presto)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb0e2a707ca29ea458d92cbe97f476fde86f2fafe449bbc5c88a3a47a807359db 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/GBBBA0442844.
Recording identifiers
- ISRC
- GBBBA0442844
- Title
- Piano Sonata No. 2 in B flat minor, Op. 35: 4. Finale (Presto)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb0e2a707ca29ea458d92cbe97f476fde86f2fafe449bbc5c88a3a47a807359db
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:52e609bda60a8d4b12f35611817d16697d60e74eb4941b4e99a8bdb8e919b887- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0442844
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 2 in B flat minor, Op. 35: 4. Finale (Presto) · Machine-readable JSON-LD