Prélude in D-Flat Major, Op. 28, No. 15 "Raindrop"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
USSM10400277
CopyrightID (CopyrightChains transaction hash)
0x1591ed5152cd2b9e4223695943e91c44e26bcd6b6b1878e3e76f642bcef39d5f
Copyright registration time
2026-06-11T18:56:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2e18405338d3e55e8c170cee0b2900e244e28e773f74a4fdaa16c4dd8f045654

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.