Ridiculous World

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPVI01823741
CopyrightID (CopyrightChains transaction hash)
0xf5a32b99c05c5425de62c821c506b4cc6866484c7d2b77e9084aac56cef3ee0d
Copyright registration time
2026-07-06T19:00:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:bf6c66d698c830e10992545db9931afa1403e3ed10763f6ffc590e3edd83ced7

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.