ISRC ATTE41700310
Verified recording
ATTE41700310 is “High School of Violoncello Playing, Op. 73: Etude No. 10 in C Minor - Appassionato” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x9d2b9fc638180d9444f361c6bb62cc6409226ded80622b066826bfce173ae49b and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700310.
Recording identifiers
- ISRC
- ATTE41700310
- Title
- High School of Violoncello Playing, Op. 73: Etude No. 10 in C Minor - Appassionato
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x9d2b9fc638180d9444f361c6bb62cc6409226ded80622b066826bfce173ae49b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:0608759b5ccadf2684f73f312a8929d986c35a0a48629ca8c8256dce56a12f20- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700310
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: High School of Violoncello Playing, Op. 73: Etude No. 10 in C Minor - Appassionato · Machine-readable JSON-LD