Prelude in C

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEE479800699
CopyrightID (CopyrightChains transaction hash)
0xdeb77c3fa7953e83570ce54ee8824d0ebc9044307261ed3e0e07507cb6a18d39
Copyright registration time
2026-06-27T06:25:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d9d7f3460ba9493090c97cca0e4bdb38ea0f2adb8d38b0e50efb97a9160c6b7c

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.