Mad World - Original Mix

Recording by Menno de Jong.

Recording identifiers

ISRC
NLDZ20801001
CopyrightID (CopyrightChains transaction hash)
0xf0e39800eca37238d4ef601e6bfe09b79362e2e3af3811e3dae998bf55e230d1
Copyright registration time
2026-07-31T14:11:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:91ee4cebf9fc533077f55f3fb9ee8010afa58f4ccad792c2c9f6e67d63e0a209

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.