Brain Game

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPVI00655790
CopyrightID (CopyrightChains transaction hash)
0x0bd682ed3289265749961e404fdfaf3adcecf14a7f13c44f3d075fdac8db5842
Copyright registration time
2026-06-17T21:08:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:41e4c6d782cfb27d0b1f0783a0e29a9b40e712a15cc9d0d90ed57788cffc4e3b

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.