Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto

Recording identifiers

ISRC

DEF057803412

Release date of the album this recording appears on

1980-01-01

CopyrightID (CopyrightChains transaction hash)

0x99ff5fef19939f58761e003526c5b851f75fdbf05efd63b3d5f120e088d3b032

Copyright registration time

2026-07-29T20:24:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T21:09:47Z

Bitcoin block

960144

Canonical record hash

sha256:b9586f351c292154a7e91c030619810cb364228cdf4a88e9722dde70b253f759

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DEF057803412

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.