Toccata in E Minor, BWV 914: II. Un poco allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
QM7MD1451218
CopyrightID (CopyrightChains transaction hash)
0xb55e123acc927ae84a7b5a47f71ebc9337a0f8edf0888435bccd5bfdea081128
Copyright registration time
2026-07-06T19:39:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:19b26c61841691a2e2d8b6534efb895156684e081dd54a777dffe3ab81dcce64

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.