Invention No. 12 in A Major, BWV 783

Recording identifiers

ISRC

GBF078340112

CopyrightID (CopyrightChains transaction hash)

0x62eb9dc91e73ada25364abeabdda9fba77b3252cfd1b0b353a5a087cc4e901fd

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-22T13:34:27Z

Bitcoin block

959134

Canonical record hash

sha256:64d321c764306db7dec7a21ecd536bc96e87003addc72fd081f756c5494cf470

• 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.