ISRC DEN961801631
Verified recording
DEN961801631 is “Piano Sonata No. 3 in B Minor, Op. 58: I. Allegro maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x738f436ade35234b4ea841ee6e969ef645dbf2a35a0cf5443a2f8d426dfd2ca7 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/DEN961801631.
Recording identifiers
- ISRC
- DEN961801631
- Title
- Piano Sonata No. 3 in B Minor, Op. 58: I. Allegro maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x738f436ade35234b4ea841ee6e969ef645dbf2a35a0cf5443a2f8d426dfd2ca7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b82d7112f9b67bf9e6f5dc97bfe37b74237091770db0baa406775139264c2a9f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961801631
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 3 in B Minor, Op. 58: I. Allegro maestoso · Machine-readable JSON-LD