Air

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USBC19901860
CopyrightID (CopyrightChains transaction hash)
0xf1074cd24cfd3192cd7ee0ff2bfeb863be5e6c3b70a04717b5b2043b9a27ecf4
Copyright registration time
2026-07-07T04:36:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:8f2b28ba76db712412c92fbe06680b8a6655d6550d6c4517671d50e0c09620fd

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.