Movement 3: Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199911103
CopyrightID (CopyrightChains transaction hash)
0x236915881621c9c74aff2c7ddecfb5e29f34a12d26c2d4b288d9dfaa52569936
Copyright registration time
2026-07-29T14:12:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T14:28:24Z
Bitcoin block
960117
Canonical record hash
sha256:2a86ab0e5cb1afd6c3598fbf18078ee95312ebf35b7ec719ac077f9069743788

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.