Der Witz

Recording by Klaus Renft Combo.

Recording identifiers

ISRC
DEHU50600018
CopyrightID (CopyrightChains transaction hash)
0xc8b2068887c7f6e02bca7f53c65aad262e68b9228181a5d2c7e0a77f9fe72f7b
Copyright registration time
2026-07-30T21:58:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:61de83efbe4a7957d3f16ac7cbf1c7de66b7b91bb5be2c7b65a383ceeea4a2bd

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.