12 Études, Op. 25: No. 6 in G-Sharp Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEN961330206
CopyrightID (CopyrightChains transaction hash)
0x7f339ce5dd4c75140fc49f97467aeff8b1c03b916b9d9e210d6c8d5730c3480a
Copyright registration time
2026-06-20T12:12:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:cb590a7b614eaec2ebdc8930baf03f9643337e6b06a438dcac501ca266115d2d

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.