VII. Contrapunctus X a 4 alla decima

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLA460914116
CopyrightID (CopyrightChains transaction hash)
0x63a2a1fb15396c024815d7b2d502b40bb99f7e7e25a4507afad8429da55392b3
Copyright registration time
2026-07-07T19:26:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:6e99c85b2a57b94fc5c4aa6f1fdd559a6f38678ae8a144fcb88b6e30ac8eaa5f

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.