24 Préludes, Op. 28, C. 166-189: 19 in E Flat Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBF077441619
CopyrightID (CopyrightChains transaction hash)
0xfeaf983f48b5d25b091dca96c3686eaa92d8f37c81242d89854d2fe76db9a894
Copyright registration time
2026-07-31T07:14:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:42651e3c32c7b1a3df36d761b1343d4680a43c77e7e615d19ba8ea41b3acd76b

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.