24 Preludes, Op. 28: Prelude No. 19 in E-flat

Recording by Frédéric Chopin.

Recording identifiers

ISRC
USBC19705225
CopyrightID (CopyrightChains transaction hash)
0x2603a9fe28d1efb3864e30c5f606a73a5f0a1409a6f2f7212e922aa553b742f4
Copyright registration time
2026-07-06T22:56:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f6c5bc794b7b4bd31d1ebc08e4c6ff3c2d634506f86257772f1caf6ae9a30fbb

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.