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

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEFG21723719
CopyrightID (CopyrightChains transaction hash)
0x23f5f570aa22bfa78e5dfbcbfb20280fc17aa84473ffbfeb463b45ae468b5d1c
Copyright registration time
2026-07-07T18:03:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:750d23a91527bc1d6e208ddb4da1584d99913c72c2b6b04e349476d297020b10

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.