ISRC DEN961801633
Verified recording
DEN961801633 is “Piano Sonata No. 3 in B Minor, Op. 58: III. Largo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa50c78aaf37c24e1a18c7f2ebdaa4420c9d048d90aead98788823ae9d14d8c5a 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/DEN961801633.
Recording identifiers
- ISRC
- DEN961801633
- Title
- Piano Sonata No. 3 in B Minor, Op. 58: III. Largo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa50c78aaf37c24e1a18c7f2ebdaa4420c9d048d90aead98788823ae9d14d8c5a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5308a50ca198f4c7ac73b3b900b021bb8f3f1871b72433e2cb7d7d3803742d5f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961801633
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 3 in B Minor, Op. 58: III. Largo · Machine-readable JSON-LD