24 Préludes, Op. 28: Prelude in B, Op. 28 No. 11

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEP629501458
Release date of the album this recording appears on
1999-04-13
CopyrightID (CopyrightChains transaction hash)
0xb523fa465582c62d642a76048d0791fa235c2d02bc32ad5be6e495862c6cb3ac
Copyright registration time
2026-08-01T02:31:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:2d5a99dfe7d3d91bb7c146bf8617610187d30aaeb5daa8b195a5528ebd574b21

What this proof establishes

This recording was released in 1999, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.