Fantasia in C minor, BWV 906

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
GBEYQ2034701
CopyrightID (CopyrightChains transaction hash)
0x8a681534b31180cc5b9c37567db8fbfcdebbd2914d838b8c79d2b9b66b356aec
Copyright registration time
2026-07-07T19:07:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:539fa07f9a77288c83103df4ddff8893c30bd7e4a6bad383b1e767cb5ac8de4c

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.