12 Etudes, Op. 25: No. 6 In G Sharp Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBF071440306
CopyrightID (CopyrightChains transaction hash)
0xbb6c5a1c63a2d5a72090da931601c47ec4326e6594194210839f6f0e8b14f803
Copyright registration time
2026-06-11T06:06:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:45b25c2e309a45761908cbd7ecf635384fdbbb415f2f5a6350256e3af75d3c34

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.