Invention No. 15 in B Minor, BWV 786

Recording identifiers

ISRC

GBF078340115

CopyrightID (CopyrightChains transaction hash)

0x7b644b16b72fbbbd50207e0f8fc2e32cfb1b364f0cdf9f77e053a8d8e1142c4f

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-22T16:43:41Z

Bitcoin block

959155

Canonical record hash

sha256:e14ff906679c264513ebcd31efe81114dd3d82f4d00d00231c716579056a5a0c

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.