II. Air. ("Air on a G String")

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199506507
CopyrightID (CopyrightChains transaction hash)
0x3682ac1cc6890e356dd87f0f2f06aac18e9662db959e0cbec00d28ddb383a65f
Copyright registration time
2026-06-08T02:26:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:955fefefc971a49ffa8e1ae85b565bd7547f51ef27e30f7a3e0f98019e8cd2d2

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.