Toccata in G Minor BWV 915

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLY331901408
CopyrightID (CopyrightChains transaction hash)
0x93211a3f0eaf7d18d66a1e666a445309dfd973664e84d67f855376814dd8c64c
Copyright registration time
2026-07-07T15:40:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d6f420051d5b054ec92c9045a52371465db81d1763c71d65130637a691755811

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.