IX. Contrapunctus VI a 4 in stylo francese

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLA460914118
CopyrightID (CopyrightChains transaction hash)
0x9a951dbdd314fe18343f421ea0e7d16d86ea8b15ea769aa8cccf1223e345c7ef
Copyright registration time
2026-07-07T15:21:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3e9bc013bd80fb83e790a9f8cdb3c4cf8b9839af31207e424ebe13399d057d80

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.