Prelude in B Minor

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEE860400893
CopyrightID (CopyrightChains transaction hash)
0x3c0e5d221e726aeeec098c6887dab3d576ac58c81b42667428c338c98c4f5e67
Copyright registration time
2026-08-01T02:46:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:57aca10e4ac63956f4039f9cb0cc6ddcd1f909576296a554dd29e76b0df7bc56

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.