ISRC HKI190834208
Verified recording
HKI190834208 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 8 in C Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0xf0215bc635d85f9f1af714303c9af924691d73da22c479b531e1487ebc2d250c and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834208.
Recording identifiers
- ISRC
- HKI190834208
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 8 in C Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0xf0215bc635d85f9f1af714303c9af924691d73da22c479b531e1487ebc2d250c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:5993ceae4fd2c1f46233a1917f222c6a19bb356b061e8964683447604453584e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834208
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 8 in C Major · Machine-readable JSON-LD