24 Préludes Op. 28: No. 4 in E minor

Recording by Víkingur Ólafsson.

Recording identifiers

ISRC
ISV651100117
CopyrightID (CopyrightChains transaction hash)
0xb0fe5471eeed6f549d6140af8cebbff1e007ae49d3f6bf0d0cffbe95b1412d2f
Copyright registration time
2026-06-10T13:34:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d8bf0f92f145225221e87253b0f37f9f9ef45ed02b28614ae9f040af6c5eb9cb

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.