II. Air ("On the G String")

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199207113
CopyrightID (CopyrightChains transaction hash)
0xe12715f2a1caeb77795b07acc391c636273c9de371b514b716e41614d832441e
Copyright registration time
2026-07-04T00:00:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d46d4693268bb0c0a9313ab2484ec8369d8a6ed273285b138c38e6b5818e44c9

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.