II. Air (Arr. for Piano & Bass)

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI191832809
CopyrightID (CopyrightChains transaction hash)
0x4aecb18f27e682ec37bb8bc5e73e62ad4c367481dce3547e9beca38f7b69054f

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:d7d1efd6938fa0dd57f0c81f3122fba9d1dfa68fd16034125415be9fc65faf21

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.