Bach, JS: Prelude in C Minor, BWV 999

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
GBAYC2400896
CopyrightID (CopyrightChains transaction hash)
0xadd9ffa37b3fda70cdfad00194be4390a5116d5f3cbbe09a38ff9dde8977cebe
Copyright registration time
2026-06-17T22:23:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:307f3bf48581fba10ecf8bdc9ed4e7a4cde29e095cde0b3ec305c4983287f89c

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.