ISRC HKI190834211
Verified recording
HKI190834211 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 11 in F Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x7bd97fa7925e81ab332e77e8849df05addd1b3db3f1a149212e115ebab32dd8c and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834211.
Recording identifiers
- ISRC
- HKI190834211
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 11 in F Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x7bd97fa7925e81ab332e77e8849df05addd1b3db3f1a149212e115ebab32dd8c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4f532ece456168d3a235ddf9c82d34a33e528efa75694a1ea44ae0dedcb517f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834211
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 11 in F Major · Machine-readable JSON-LD