24 Préludes, Op. 28: 6. In B Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF058930306
CopyrightID (CopyrightChains transaction hash)
0x69e2c67eaf1b20f3b9003f57de82dc7c4716de8bb314a3f42513879870643417
Copyright registration time
2026-06-22T05:49:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7f7d2a631072632014f0f8722342b89d64249d8a69914b254f7dfcdded26fb4b

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.