Mad World

Recording by Ayumi Hamasaki.

Recording identifiers

ISRC
JPB601601852
CopyrightID (CopyrightChains transaction hash)
0xc7fe343877815e4066be90b5238016ec27742df1231396f8f92491e91ad2d2e7
Copyright registration time
2026-06-11T05:59:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:49ae878e390c938dd2997323c59548ad432545a381afbc03debdcc9325c84068

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.