Toccata

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEA559914723
CopyrightID (CopyrightChains transaction hash)
0x7d89cd9919984e7e49394ed0ceae39384afa9f96d80ba1622d6341e9aea256e0
Copyright registration time
2026-06-20T08:22:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6ee53dae628720aec4cb30827ed200aa389ada5e76c1e0e669e510f3653b13d8

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.