ISRC HKI190834302
Verified recording
HKI190834302 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 22 in G Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0xe627503f704ef763b4b4730a8e5ceddf3143549f37f63bdfb39b9bdd9d4704bf and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834302.
Recording identifiers
- ISRC
- HKI190834302
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 22 in G Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0xe627503f704ef763b4b4730a8e5ceddf3143549f37f63bdfb39b9bdd9d4704bf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:6b94f21829018ab68f962939b6be2dfacfb48c4cc8827b73afdf091818a47667- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834302
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 22 in G Major · Machine-readable JSON-LD