24 Préludes, Op. 28: 9. In E Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF055590209
CopyrightID (CopyrightChains transaction hash)
0x423b1239a8677deda4a2d7f5b0c6c8cd543892d5758146a265260ba5ad8c83bc
Copyright registration time
2026-06-25T06:35:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:e9e94500bd55a2354fde2797bd29ba77aa33681990757a19ee6529bc17019a5c

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.