Prelude in D Major, BWV 532

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
GBYKF1000025
CopyrightID (CopyrightChains transaction hash)
0x7e37ad0edf3a21f5c7e8b41a2f6893cef85fd5e4b88f0778fba24f76fc229d73
Copyright registration time
2026-07-30T01:30:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:34:28Z
Bitcoin block
960187
Canonical record hash
sha256:f3004f48958ba9af980f94af1af66745c7be328e44a739acf7e2d78164058e52

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.