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Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
CH6639773101
CopyrightID (CopyrightChains transaction hash)
0x9eae6c981a0b17be7facc9b36cee67fd93f8d06472a2d011bbbe051fdd0e46ed
Copyright registration time
2026-07-31T03:41:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:a5c3d607a098aa1f1ab01544f2b6fdd911cb2734841c96c84eac1a8a6377088c

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.