ISRC HKI190834218
Verified recording
HKI190834218 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 18 in D Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0xd67ea7990aa8a5af42c911205e6bda77883bd157636a96dd709d61d1438f7f25 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834218.
Recording identifiers
- ISRC
- HKI190834218
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 18 in D Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0xd67ea7990aa8a5af42c911205e6bda77883bd157636a96dd709d61d1438f7f25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:53986f491f8218b4c42c8f180f0a7eadb25d340ea5ce4c8bae9b47d77aab1888- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834218
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 18 in D Major · Machine-readable JSON-LD