Brandenburg Concerto No. 4 In G Major, BWV 1049: 2. Andante

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEF058603592
Release date of the album this recording appears on
1987-01-01
CopyrightID (CopyrightChains transaction hash)
0x6745078b88175335f5ef96b3373aa623074b1ffa2caa34f02b5b188bb8e94c63
Copyright registration time
2026-06-26T00:11:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:192b071628ed18033df7318ec2e965940f95f2c47ef73ba99c2414937064982c

What this proof establishes

This recording was released in 1987, 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.