Toccata in E-moll

Recording by Nicolaus Bruhns.

Recording identifiers

ISRC
DEE219243003
CopyrightID (CopyrightChains transaction hash)
0xebf4d5d6d682f27d0d7fb4d769cf08161cd7a5a62cf3483d6e2c2fb0cf5faad9
Copyright registration time
2026-07-30T13:17:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:565caf3e0008941cf5131fba82cd27a2b6ee88be5e9bee599b53e09cca5c67b8

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.