ISRC DEN960901540
Verified recording
DEN960901540 is “Nocturne in C-Sharp Minor, KK IVa No. 16” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7d4289f20ad91d4af17c038559de71d045c15aeabccb3f3bc79e1daeee9e9caf and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960901540.
Recording identifiers
- ISRC
- DEN960901540
- Title
- Nocturne in C-Sharp Minor, KK IVa No. 16
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7d4289f20ad91d4af17c038559de71d045c15aeabccb3f3bc79e1daeee9e9caf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:01350730497de6a34ce5c59b765c6ce170ff1cc54c3b404edceb38d30c4fa8e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960901540
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Nocturne in C-Sharp Minor, KK IVa No. 16 · Machine-readable JSON-LD