Tschaikovsky's Opus #42, Third Movement - Remastered

Recording by Warne Marsh.

Recording identifiers

ISRC
USBN29600525
CopyrightID (CopyrightChains transaction hash)
0xb70b699a86465f591962aba86f9a7cb31ea2b1cb1cfa4abb018819e5ad41f7fa
Copyright registration time
2026-06-19T09:47:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:a83da7b4f571207ab0ed721419424e15a22ae1ae826d04eb5317bf5ed70e37af

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.