Eugene Onegin, Op. 24, TH 5: Polonaise - 2025 Remastered

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
USSM12403170
CopyrightID (CopyrightChains transaction hash)
0x3fb1400d4fdcc86049cc567ef252be52b5f7b14511a08e7df474d30a7a86cc04
Copyright registration time
2026-07-29T10:44:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:f0dce71cfc07794912c63815ab07f1e7703c7083a99b449f9f053d8066dc1370

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.