24 Préludes, Op. 28: No. 6 in B Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF059232006
CopyrightID (CopyrightChains transaction hash)
0xd6030cc4a720b1781dc8aab3f2a0a1655b1b7f8b7f6c4ae9a2217cf627a2f2af
Copyright registration time
2026-07-04T07:55:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c4729b5e109aab3a66df43520341c3d25a8ffdad483913540b204ffe502bcf62

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.