4 Pieces for Violin & Piano, Op. 7: II. Rasch

Recording by Anton Webern.

Recording identifiers

ISRC
USSM17100536
CopyrightID (CopyrightChains transaction hash)
0x29695b17bf442b99bad6ca2888859589baff8fa19f9689de8aef2e445375ee41
Copyright registration time
2026-07-07T10:45:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a88c1131a43fb7794d8b67e6b40995382431854850b8c3b826934762a9e88c6f

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.