ISRC HKI190834308
Verified recording
HKI190834308 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 28 in A Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x7855e346978b626673433b3d415ed64cd9e9d5d9d99799068a25cec3eca75bfe and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834308.
Recording identifiers
- ISRC
- HKI190834308
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 28 in A Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x7855e346978b626673433b3d415ed64cd9e9d5d9d99799068a25cec3eca75bfe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:f9ec5156fef5245fcbf7b3f4caa659578aa356d17e18755fd0fc92eaa18ad412- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834308
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 28 in A Major · Machine-readable JSON-LD