Art of the Fugue, BWV 1080: Canon per augmentationem in contrario motu

Recording by Kimiko Ishizaka.

Recording identifiers

ISRC
USHM91731471
Release date of the album this recording appears on
2017-10-12
CopyrightID (CopyrightChains transaction hash)
0x96bc43c52267cecd89e1826d484ec27cd6abf24b736f010a57e1bfec0ba74877
Copyright registration time
2026-07-07T18:12:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:8f01430bf91a7d7b279f3a3227115528dc1c28181c4dcd0e3f7036cbd469c1e2

What this proof establishes

This recording was released in 2017, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.