ISRC HKI190834207
Verified recording
HKI190834207 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 7 in A Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x0d46a4aa387e7aeb5144ef4db95755625a679ad2409459630e6a2af43e8142a4 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834207.
Recording identifiers
- ISRC
- HKI190834207
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 7 in A Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x0d46a4aa387e7aeb5144ef4db95755625a679ad2409459630e6a2af43e8142a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:7881027471fb01efecb06686abd45ac222e25436c793b5f946e023eb182192b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834207
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 7 in A Major · Machine-readable JSON-LD