24 Préludes, Op. 28: No. 20 in C Minor. Largo - 2011 Recording

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEN961130220
Release date of the album this recording appears on
2012-01-01
CopyrightID (CopyrightChains transaction hash)
0xdce8c586c56b2a2900fada7bdac888a8c49686800f9a610a42973a01075a74ed
Copyright registration time
2026-07-30T06:53:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:4ae1cf1328b3b5aa4fdcd325314d24da272bee56329c18a28110263cefb9bf8b

What this proof establishes

This recording was released in 2012, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.