ISRC HKI190834314

Verified recording

HKI190834314 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 34 in F Major” by David Popper, registered on the CopyrightChains blockchain with CopyrightID 0x43d544c1c81dfea12a6862b3c960ebb6cd1c8144e9442a4c737c9666234edc76 and independently timestamped in Bitcoin block 957124 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834314.

Recording identifiers

ISRC
HKI190834314
Title
Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 34 in F Major
Artist
David Popper
CopyrightID (CopyrightChains transaction hash)
0x43d544c1c81dfea12a6862b3c960ebb6cd1c8144e9442a4c737c9666234edc76

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27+00:00
Bitcoin block
957124
Canonical record hash
sha256:ff4db03aa6a348417747d813383e2541f509f66b47cad283387e52a7907d44f3
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834314
Bitcoin block existence check
https://blockstream.info/api/block/957124

Full record

Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 34 in F Major · Machine-readable JSON-LD