II. Air ("On a G String")

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI191421102
CopyrightID (CopyrightChains transaction hash)
0x9e5391cb846624954b248ede511d95fdeb6f02b7af098a4f7a0d3b26a4ea77fc
Copyright registration time
2026-07-31T05:39:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:48:18Z
Bitcoin block
960354
Canonical record hash
sha256:3177f11b4078ea2ec7cdca1ab8265e6f36c984bc172c181781503854d4cc2308

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.