24 Préludes Op. 28: No. 11 in B major

Recording by Víkingur Ólafsson.

Recording identifiers

ISRC
ISV651100124
CopyrightID (CopyrightChains transaction hash)
0x21a125685fe175bf4cad23a1f132cbe9e14b57b2c2effbc1cd8ced1ca9620a5f
Copyright registration time
2026-07-29T20:17:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:e0d57963bac86d9baee440b85157752b66b20f2281c21952cfe06f7ec06252df

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.