24 Préludes, Op. 28: No. 19 In E-Flat Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FR9W12445131
CopyrightID (CopyrightChains transaction hash)
0xe41a450e478f75ea744e95118e16812a19aaa6f331d49d4e14417e59e8495b71
Copyright registration time
2026-07-07T04:43:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9b372f36412ea757e78d7c936467ee41ce3f0d4bc348176e027f4e8508690df5

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.