ISRC ATTE41700214

Verified recording

ATTE41700214 is “Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 4 - Leicht Bewegt” by David Popper, registered on the CopyrightChains blockchain with CopyrightID 0xb83402cce3db226e91b30ba046d2a92e787c323a7300f205eae87ac045b4a259 and independently timestamped in Bitcoin block 960225 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700214.

Recording identifiers

ISRC
ATTE41700214
Title
Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 4 - Leicht Bewegt
Artist
David Popper
CopyrightID (CopyrightChains transaction hash)
0xb83402cce3db226e91b30ba046d2a92e787c323a7300f205eae87ac045b4a259

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T08:04:30+00:00
Bitcoin block
960225
Canonical record hash
sha256:432b249a5552189eab572b64f616645b354dc108da834a218595695c9cfc261c
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATTE41700214
Bitcoin block existence check
https://blockstream.info/api/block/960225

Full record

Track page: Fifteen Easy Melodic-Harmonic Etudes with an Accompaniment of a Second Cello: No. 4 - Leicht Bewegt · Machine-readable JSON-LD