Toccata and Fugue

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
SEWDL6020665
CopyrightID (CopyrightChains transaction hash)
0x6b3ef5640081768f97ea14134334830f934bc93669e5a5d1048e56045f7082fc
Copyright registration time
2026-07-06T10:34:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:07e60b2de5924fd339cfcfb71af698f5e25709243cc8d0a0dcf39c0a925ef0f5

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.