Der Mann mit der Bohrmaschine

Recording by Dietmar Wischmeyer.

Recording identifiers

ISRC
DED430303100
CopyrightID (CopyrightChains transaction hash)
0x60895bca6744971202c875a1c5f0c14f31da0744ff9f7e39405017798171ff24
Copyright registration time
2026-06-26T05:17:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6948e359cbfbda2111544b5c88acafa676bd55c541914297c531c70655f8834a

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.