ISRC HKI190834217
Verified recording
HKI190834217 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 17 in C Minor” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x61eadadfce72014212e3b2e733afb683030e2cba8355d81575a265cabce9fc51 and independently timestamped
in Bitcoin block 960212 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834217.
Recording identifiers
- ISRC
- HKI190834217
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 17 in C Minor
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x61eadadfce72014212e3b2e733afb683030e2cba8355d81575a265cabce9fc51
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:43:45+00:00
- Bitcoin block
- 960212
- Canonical record hash
sha256:b75b9fe146a50d9c1cb73b0c21b97b927376725fdf52f61f255b5da3c4241b2b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834217
- Bitcoin block existence check
- https://blockstream.info/api/block/960212
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 17 in C Minor · Machine-readable JSON-LD