Keyboard Concerto in D Minor, BWV 1052: I. Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199910801
CopyrightID (CopyrightChains transaction hash)
0x316f9feb7322ae5eee16b2c7930a56eb0e93f165a524d0836e0cb1db7e9a34f0
Copyright registration time
2026-06-10T18:49:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1ca9247cac5596e22f48b3738e2c6ebda2bb2748451a8fc408b07b73ab6e8ea8

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.