ISRC ATTE41700304
Verified recording
ATTE41700304 is “High School of Violoncello Playing, Op. 73: Etude No. 4 in F-Sharp Major - Andante Con Moto” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x828c00466f97e33d190d8cefd96fa29ba3f8b60faf013fa5f41d6c22c661a011 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700304.
Recording identifiers
- ISRC
- ATTE41700304
- Title
- High School of Violoncello Playing, Op. 73: Etude No. 4 in F-Sharp Major - Andante Con Moto
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x828c00466f97e33d190d8cefd96fa29ba3f8b60faf013fa5f41d6c22c661a011
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:8255a054d2b8dcfc813cf004a9bc307a5e5ee42b2022c845f9be28551380fdd6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700304
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: High School of Violoncello Playing, Op. 73: Etude No. 4 in F-Sharp Major - Andante Con Moto · Machine-readable JSON-LD