ISRC HKI190834215
Verified recording
HKI190834215 is “Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 15 in G Major” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0xce9ac90870c08d09106d2e442d99094ab4992c32f5974f7f08ef6fe34320b02b and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834215.
Recording identifiers
- ISRC
- HKI190834215
- Title
- Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 15 in G Major
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0xce9ac90870c08d09106d2e442d99094ab4992c32f5974f7f08ef6fe34320b02b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:fa065751ac37dcbdeb47c5688b86c69d11d5111a4cae16f6b0883d6cc4f0d24e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190834215
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Hohe Schule des Violoncello-Spiels (High School of Cello Playing), Op. 73: Etude No. 15 in G Major · Machine-readable JSON-LD