ISRC FRZ119506380
Verified recording
FRZ119506380 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: IV. Finale” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1bedcd6dfb8e5658076348a6828a7b84f593aac1cc6f26203423c334f2a5d263 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119506380.
Recording identifiers
- ISRC
- FRZ119506380
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: IV. Finale
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1bedcd6dfb8e5658076348a6828a7b84f593aac1cc6f26203423c334f2a5d263
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:c6bb408125c152c04b8c5e114c4f24c5ce3ad2add66328ca6624295fc39aa2de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119506380
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: IV. Finale · Machine-readable JSON-LD