Viola Sonata, Op. 147: I. Moderato

Recording by Dmitri Shostakovich.

Recording identifiers

ISRC
GBSLT2517606
CopyrightID (CopyrightChains transaction hash)
0x3462d1a40017fc7c331bb5756af3f69347dd4a9197328329868173ff23a2b056
Copyright registration time
2026-07-08T01:43:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:8b6bbd90855c9b5328d5a23cfdfad90a1557da9913c70c906847718650488692

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.