ISRC ATTE41700317
Verified recording
ATTE41700317 is “High School of Violoncello Playing, Op. 73: Etude No. 17 in C Minor - Con Brio - Andante Quasi Adagio - Con Brio” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x504eecd2642760eab2989b4dd68114efa3a62349eda76847a8464f6a8be79e95 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700317.
Recording identifiers
- ISRC
- ATTE41700317
- Title
- High School of Violoncello Playing, Op. 73: Etude No. 17 in C Minor - Con Brio - Andante Quasi Adagio - Con Brio
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x504eecd2642760eab2989b4dd68114efa3a62349eda76847a8464f6a8be79e95
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1dd14440bb4e036b3c5f50e6fef05a9e68fa7f01b782b1d1864d054c3d5b141e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700317
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: High School of Violoncello Playing, Op. 73: Etude No. 17 in C Minor - Con Brio - Andante Quasi Adagio - Con Brio · Machine-readable JSON-LD