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

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0835204
CopyrightID (CopyrightChains transaction hash)
0xca108ed906d7883c4d4bee0af080878512cff6534941ef0b80779b8fbfdb8e8b

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:b11963eb74c5335433074f94ed617945fd456094a07fdd70f32da168e32a4029

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.