ISRC HKI190834212
Verified recording
HKI190834212 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 12 in C Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x3600449880c5bfedf2700dec669e2dc9ce5829620ffe4236294bb27f44770f28 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834212.
Recording identifiers
- ISRC
- HKI190834212
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 12 in C Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x3600449880c5bfedf2700dec669e2dc9ce5829620ffe4236294bb27f44770f28
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:02c65449f05be039a2fe6c884df627919b888ceb6ff8495ff6013b54111d9df7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834212
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 12 in C Major · Machine-readable JSON-LD