Prelude in E Minor, Op. 28 No. 4 (Featured in "The Notebook")

Recording by Frédéric Chopin.

Recording identifiers

ISRC
HKI199234004
CopyrightID (CopyrightChains transaction hash)
0x80f3047e918a56f8c3a68997535f17548c26dfa5cda0d2fd2d44508c81789bf0
Copyright registration time
2026-06-12T01:28:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d798188bf50924a60fe0fff8cd7c586ee3c95bd98ab2b67b5aead83022804dfd

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.