24 Preludes, Op. 28: No. 4 in E Minor. Largo

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY8932404
CopyrightID (CopyrightChains transaction hash)
0x30641d537c27ed9fd34af6a51447b0446204aeb18f0fdc58b8a4f2526ab9dcb9
Copyright registration time
2026-07-06T20:43:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:48bb18304b742388bbe841ee5894858315d36d907058ab18dae8e853549115d4

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.