ISRC HKI190834216
Verified recording
HKI190834216 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 16 in C Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x6bd5216775fa46d5efd0fdb672d4528ab88e75633671343dd2611d242d208251 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834216.
Recording identifiers
- ISRC
- HKI190834216
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 16 in C Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x6bd5216775fa46d5efd0fdb672d4528ab88e75633671343dd2611d242d208251
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:bcd5191d71cee5518318600353d64f63bbb9433f0f05f9ae9802e2871d6e44e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834216
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 16 in C Major · Machine-readable JSON-LD