ISRC HKI190834219
Verified recording
HKI190834219 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 19 in E-Flat Major, "Lohengrin Study"” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x1bebbbe6890bdf044851f2699d6a69b7f2ffabe27298229791d5879bb53c8057 and independently timestamped
in Bitcoin block 960485 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834219.
Recording identifiers
- ISRC
- HKI190834219
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 19 in E-Flat Major, "Lohengrin Study"
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x1bebbbe6890bdf044851f2699d6a69b7f2ffabe27298229791d5879bb53c8057
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:10:46+00:00
- Bitcoin block
- 960485
- Canonical record hash
sha256:20ff90ea0351c60017a9854e80503b6ed89c20759768b6cd4e51f3c12ef9eb63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834219
- Bitcoin block existence check
- https://blockstream.info/api/block/960485
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 19 in E-Flat Major, "Lohengrin Study" · Machine-readable JSON-LD