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

Recording by Frédéric Chopin.

Recording identifiers

ISRC
SEWDL6018040
CopyrightID (CopyrightChains transaction hash)
0x4ed8dc47872fd3103d8500491b049ae3042ca1682ba933140a9b223f8a4d46c3
Copyright registration time
2026-07-05T11:19:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:4ffa56f791e13829889f322c07d22501e26fc9f912fccce4cd40e51ebacb5c85

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.