ISRC DEN960901380
Verified recording
DEN960901380 is “Waltzes, Op. 34: No. 3 in F Major. Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x438c2f61321cd285fbe3d8a17bbfb9d1f2b85d47912b308e98ac6350de57aaff and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960901380.
Recording identifiers
- ISRC
- DEN960901380
- Title
- Waltzes, Op. 34: No. 3 in F Major. Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x438c2f61321cd285fbe3d8a17bbfb9d1f2b85d47912b308e98ac6350de57aaff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:eca165fd7ba39b6da2ae00df500b4e78144fe931fd0372874804f3ec1f90d13a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960901380
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Waltzes, Op. 34: No. 3 in F Major. Vivace · Machine-readable JSON-LD