Études-Caprices for 2 Violins, Op. 18: No. 2 in E-Flat Major

Recording by Henryk Wieniawski.

Recording identifiers

ISRC
DEN962401800
CopyrightID (CopyrightChains transaction hash)
0x23c415a33346edbebc55b987e049031bcd84b8ef947a3b4133e6797c7db5c606
Copyright registration time
2026-06-22T03:59:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:20a460c148a252d3259c2b3dd03fde8ea9c1f7eaf4138a0c481c2fdaa714524b

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.