Die Kunst der Fuge, BWV 1080: Contrapunctus I

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
SEAEB2331010
CopyrightID (CopyrightChains transaction hash)
0x133b3bc059e3890fb7944f597065a5d8ea3a083dace9ee14697bd4207ca36d76
Copyright registration time
2026-07-07T04:52:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8a5c0d4987a6ebbd9ba3ebdaed6191130077622cae5c441069da3122d49a3868

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.