ISRC DEN960401013
Verified recording
DEN960401013 is “Piano Sonata No. 2 in B Flat Minor, Op. 35: III. Marche funèbre (Lento)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1fc55c2878e7d25c2771974ab2c73c0f383297a3a873da05499c88548566303d and independently timestamped
in Bitcoin block 960173 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960401013.
Recording identifiers
- ISRC
- DEN960401013
- Title
- Piano Sonata No. 2 in B Flat Minor, Op. 35: III. Marche funèbre (Lento)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1fc55c2878e7d25c2771974ab2c73c0f383297a3a873da05499c88548566303d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:11:40+00:00
- Bitcoin block
- 960173
- Canonical record hash
sha256:093ea6d5440d60d5923394538b796c12b429e5d6388c9ade28132caf74a238ca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960401013
- Bitcoin block existence check
- https://blockstream.info/api/block/960173
Full record
Track page: Piano Sonata No. 2 in B Flat Minor, Op. 35: III. Marche funèbre (Lento) · Machine-readable JSON-LD