ISRC HKI190834201
Verified recording
HKI190834201 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 1 in C Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0xdafcd6332432596c71e2ff2c680e1a896237604ac76c744e60531443b04d4484 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834201.
Recording identifiers
- ISRC
- HKI190834201
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 1 in C Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0xdafcd6332432596c71e2ff2c680e1a896237604ac76c744e60531443b04d4484
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:3e23808501fc9d87957a7c39c4598622b3d83c2f97761d8ba39011b69b143b1c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834201
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 1 in C Major · Machine-readable JSON-LD