Concerto BWV 1056R: II. Largo

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DES382308002
CopyrightID (CopyrightChains transaction hash)
0xe68b1a3615ed42624e8483c2b3fa5c048dfe23f99470df3956bda1af6497cb1d
Copyright registration time
2026-07-31T17:05:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:3240a23478711ddf774760be43322573c950525485866880bfb050d29f2879e5

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.