ISRC ATTE41700306
Verified recording
ATTE41700306 is “High School of Violoncello Playing, Op. 73: Etude No. 6 in F Major - Allegro” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0xdb7c097a07952fb2e72d2ef21d1d9edc7295531d89e841a0e89a33518a5232b8 and independently timestamped
in Bitcoin block 960101 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700306.
Recording identifiers
- ISRC
- ATTE41700306
- Title
- High School of Violoncello Playing, Op. 73: Etude No. 6 in F Major - Allegro
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0xdb7c097a07952fb2e72d2ef21d1d9edc7295531d89e841a0e89a33518a5232b8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:46:30+00:00
- Bitcoin block
- 960101
- Canonical record hash
sha256:8c4e363ced91f81b9ff9be863ebc3c30502315fbc792d24412269881f8f742be- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700306
- Bitcoin block existence check
- https://blockstream.info/api/block/960101
Full record
Track page: High School of Violoncello Playing, Op. 73: Etude No. 6 in F Major - Allegro · Machine-readable JSON-LD