ISRC DEN962005150
Verified recording
DEN962005150 is “Waltz No. 19 in A Minor, KK IVb (Version for Harp in A Flat Minor)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x255baffa8b8bf34570349db5d3fd28c66f1b8b59d52dcfac5a8ce05472259a7d 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/DEN962005150.
Recording identifiers
- ISRC
- DEN962005150
- Title
- Waltz No. 19 in A Minor, KK IVb (Version for Harp in A Flat Minor)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x255baffa8b8bf34570349db5d3fd28c66f1b8b59d52dcfac5a8ce05472259a7d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:58f5cf9dc5e16d2f3a1d2d6b7b7632aa50510c5b738b1c962a611d0eb3859016- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005150
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Waltz No. 19 in A Minor, KK IVb (Version for Harp in A Flat Minor) · Machine-readable JSON-LD