Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLY331603733
Release date of the album this recording appears on
2016-05-06
CopyrightID (CopyrightChains transaction hash)
0x373b559438a4b5f57d2f6ff48fe5912ca3a5e669164c46787efa7a5b01c8b054
Copyright registration time
2026-07-06T19:20:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:38adf6dfe85b15a9b6d2c6f8c94ab0e3733dfb62f9ea00bef61e08faf814386f

What this proof establishes

This recording was released in 2016, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.