24 Préludes, Op. 28: 1. In C Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF055590201
CopyrightID (CopyrightChains transaction hash)
0x5122112017ed0abd4e0164d835d1bb77e1b44e325ae798f69c2209c155ad9cfb
Copyright registration time
2026-06-22T18:40:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9b32a7c93c1e5b729b6b9136ce9103c79cf77a2dacba2f4cfe75c00432cb2cfe

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.