Keyboard Concerto No. 2 in E Major, BWV 1053: III. Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11409975
CopyrightID (CopyrightChains transaction hash)
0x7eed8eac14e93cd562985c8bea57cfd9650bf0cf2e5050d154417b6d4963582c
Copyright registration time
2026-07-30T19:44:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:09:33Z
Bitcoin block
960302
Canonical record hash
sha256:8d77d2c80edaffce8924f7d6b0b5e605449ef159c7c37d7411bf41e595651fa7

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.