Die Kunst der Fuge, BWV 1080: Contrapunctus II

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
SEAEB2331020
CopyrightID (CopyrightChains transaction hash)
0xee83c0997e7ee46984704dbc94962c2489dc1a5c8bd959949ba9bb5df4815db8
Copyright registration time
2026-07-31T10:49:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:04bbb5591d4d22f4038fe792b12077dc704de1af23fbb0946a66e8023bfb9620

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.