ISRC HKI190834202
Verified recording
HKI190834202 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 2 in G Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x876beb1a410fdcba6c7582b62554b4b38e22a168254e9f31a36d46a944bfee03 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834202.
Recording identifiers
- ISRC
- HKI190834202
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 2 in G Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x876beb1a410fdcba6c7582b62554b4b38e22a168254e9f31a36d46a944bfee03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:932bdbc050c4fde4ecee111a55ae033de7408130bc11e0dcd9c6444190a31173- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834202
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 2 in G Major · Machine-readable JSON-LD