ISRC HKI190834210

Verified recording

HKI190834210 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 10 in C Minor” by David Popper, registered on the CopyrightChains blockchain with CopyrightID 0x7242002b67a6f9a3ed6b97a0b71c526d1a5eb54677cbb88ef7537c235f1ee11e and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834210.

Recording identifiers

ISRC
HKI190834210
Title
Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 10 in C Minor
Artist
David Popper
CopyrightID (CopyrightChains transaction hash)
0x7242002b67a6f9a3ed6b97a0b71c526d1a5eb54677cbb88ef7537c235f1ee11e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:75715107ba907b802cbcdfb0b57311b1d57d7a3b00f1d9e39a8e9feef398d56d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834210
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 10 in C Minor · Machine-readable JSON-LD