ISRC HKI190834205
Verified recording
HKI190834205 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 5 in A Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x75ed6ae518d11d2d6f9f51f6109f47a075a98d54abea84246233b34bfbde36ac and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834205.
Recording identifiers
- ISRC
- HKI190834205
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 5 in A Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x75ed6ae518d11d2d6f9f51f6109f47a075a98d54abea84246233b34bfbde36ac
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:20e1be2786ccc0a0e7b6e13d8b5a41f79ca9d82d72ea703f32100fcd3016f4bb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834205
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 5 in A Major · Machine-readable JSON-LD