Prelude in D Minor, BWV 940

Recording identifiers

ISRC

GBAJY9512208

CopyrightID (CopyrightChains transaction hash)

0x35a62e27abe62342683b51bfac15d8014b8c3cfa2b94e5577aa96c4f6c2f7f80

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T00:26:26Z

Bitcoin block

960327

Canonical record hash

sha256:976fe4e7d3a816951237bbf48709878c5a8cd5646c44bc03eaba039b37969e63

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.