Concerto en fa mineur, BWV 1056: Largo

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
FR6V81106893
CopyrightID (CopyrightChains transaction hash)
0xc54d6cf002f001089487a9a82f0a7963e47b4aed0bad16dfc33869d623d1e1df
Copyright registration time
2026-06-08T04:17:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6df6f687ba00c408c52c5b5f255a8a1379aa14ffe557c2fb07401486fbf252fc

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.