Preludium Des-Dur Op. 28 Nr 15

Recording by Frédéric Chopin.

Recording identifiers

ISRC
PLI363203220
CopyrightID (CopyrightChains transaction hash)
0xa36df631cbe4141e126d5f2ffe2eaae5e2d6f1448a6edde1b9c13acb090b9cc7
Copyright registration time
2026-06-18T02:56:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:cd2296db437bef56676530777a76ea4d5c83d6e9ed15afde684f8dc00ff2fbd5

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.