Prelude In C Major, BWV 924a

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEN961830216
CopyrightID (CopyrightChains transaction hash)
0x2da2936e54a5e7c09c4c8b5e627fc7a588609b4a4de8fc8c0f433f5878e30828
Copyright registration time
2026-06-17T22:19:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3520611c03a600921295ff7196da2427af6607a62a9cddcd32491561a089b075

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.