24 Préludes, Op. 28: 16. In B Flat Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF058930316
CopyrightID (CopyrightChains transaction hash)
0x3a08d665ab6a83947ae6be9e66a49f96b926462f959c22a8434345e8b47d0efe
Copyright registration time
2026-06-22T05:50:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3b8c6d47f94a90196854c72bf8dbe82618c4664045c634ef3853c241db8e55a7

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.