ISRC HKI190834213
Verified recording
HKI190834213 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 13 in E-Flat Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x5d27c3acc09e86018f7466f0ad0ad7a2e7613e7364e2dfaf24ece2f74f026370 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834213.
Recording identifiers
- ISRC
- HKI190834213
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 13 in E-Flat Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x5d27c3acc09e86018f7466f0ad0ad7a2e7613e7364e2dfaf24ece2f74f026370
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:898fe31a7cd615528c0f60da3f2e6baba447d978123b677c19673b246271e3c1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834213
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 13 in E-Flat Major · Machine-readable JSON-LD