12 Etudes, Op. 25: No. 6 in G-Sharp Minor "Thirds"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0835318
CopyrightID (CopyrightChains transaction hash)
0x6c7ca24a5d1cdfddb5a4cbf1352cc1abecefc1b602ffe3388304d35345666678
Copyright registration time
2026-07-03T02:03:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0ce2fb60705537b9028b7838f0bc2d28cad97151fc471a37a16a8757841c9b84

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.