練習曲 ハ短調 Op.10-12 「革命」

Recording by Ewa Pobłocka.

Recording identifiers

ISRC
JPVI00226890
CopyrightID (CopyrightChains transaction hash)
0xb8715557d8649bd2af2dd6c85f43d21bd8dbc4b40f0af44288e8f2b998f2dd63
Copyright registration time
2026-06-06T18:07:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:35881e1e18ffec249715cb6c21b93acf8f7396fb141fbf89047c8fbbb73d6801

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.