ISRC DEF058100021
Verified recording
DEF058100021 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
0x0d1038c13c4321d86e4a75a6e676dd1cc5bc640f1d731880af543a75ae83cf6d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058100021.
Recording identifiers
- ISRC
- DEF058100021
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave - Doppio movimento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0d1038c13c4321d86e4a75a6e676dd1cc5bc640f1d731880af543a75ae83cf6d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:12ad3d5b068b1f4b18d27d857d3887bd313f1e06fe6b469c438cf1c087c05cf1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058100021
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave - Doppio movimento · Machine-readable JSON-LD