ISRC ATTE41700302
Verified recording
ATTE41700302 is “High School of Violoncello Playing, Op. 73: Etude No. 2 in G Major - Andante” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x93d93063cb40538c2494d26276712c9063f6fa927e530f76c7e43224c9c7321f and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700302.
Recording identifiers
- ISRC
- ATTE41700302
- Title
- High School of Violoncello Playing, Op. 73: Etude No. 2 in G Major - Andante
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x93d93063cb40538c2494d26276712c9063f6fa927e530f76c7e43224c9c7321f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:225c72238f4e04dad380d1739472aa0c3d1082b62dfb3a307a3e77c466f37919- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700302
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: High School of Violoncello Playing, Op. 73: Etude No. 2 in G Major - Andante · Machine-readable JSON-LD