Mad World - Acoustic Version

Recording by Hardwell.

Recording identifiers

ISRC
NLS241502336
CopyrightID (CopyrightChains transaction hash)
0x9281d4e77ed146e940c801a590b5aee2a16c1bdbc5af608abe586786ec5a1a53
Copyright registration time
2026-06-09T09:58:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:caafa9182534d6c6fa9e5263f4a49ae6b1775e0ad16ac8bf174fe1470142b915

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.