Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEF057803391
Release date of the album this recording appears on
1980-01-01
CopyrightID (CopyrightChains transaction hash)
0x04f2c5e857b61950f1dbadda09ece3a4b6007871d10b016149598f51adfaa5e8
Copyright registration time
2026-07-06T05:50:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d9ca147be835393b530ed32c335a22e053079c88fb14fca313f79b87a41d464a

What this proof establishes

This recording was released in 1980, 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.