The Well-Tempered Clavier, Book 1: Prelude IX in E Major, BWV 854

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
FR50X2066917
CopyrightID (CopyrightChains transaction hash)
0xb1a1d130e8f1148d93b270d8951438ed4effd5b9de5e335b2592ef6c3e0fe1e6
Copyright registration time
2026-07-07T21:50:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:6cb24bdf5f98668f5ca25c118d2a617b207ec13c5cb29a56a99f772ed12635a7

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.