24 Préludes, Op. 28: No. 23, Moderato

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FRZ140717230
CopyrightID (CopyrightChains transaction hash)
0xbd8590804077c3a08c738613d15576d49c1bd232b7efb08a4934b75fd443906a
Copyright registration time
2026-06-23T00:39:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e7afc38945d72c9c25ee54dc30a2103c88d68567b1a52f82a37be7bbf3f3091c

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.