Ouverture in G Minor: II. Air

Recording by Johann Bernhard Bach.

Recording identifiers

ISRC
BER181637317
CopyrightID (CopyrightChains transaction hash)
0x7e9e5b428b42c183ccd8fd262e116e5412262dbb6c8781d4a6835d68a780b202
Copyright registration time
2026-07-06T20:33:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:51db0a38f28de002e1995caccb92c5d110781cfbdb2bc18a8757e0f3173daf43

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.