Fugue in A Minor, KK IVc/2

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBF078441310
CopyrightID (CopyrightChains transaction hash)
0xfa1ced5961ad0c12d46fa9e56b355d8f041417e7a1273bc606419d9416319e35
Copyright registration time
2026-06-26T21:07:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bfc2a239bc616c7eef7b44ddecac4b78db47a3e9110e8508feba50130945845f

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.