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

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF055634306
CopyrightID (CopyrightChains transaction hash)
0x545b105fc7f7c00cf569f8808a6b266435b7ebab08d26e0b13835b33640f78fc
Copyright registration time
2026-07-31T14:48:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:ab180141c4feeb7433f126df0aecf7a063ab0808e3b94c59aebe5e40bf81fc75

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.