”+4”2

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840700310
CopyrightID (CopyrightChains transaction hash)
0x22232c916b59b17495d2b0ca1a1c04e4dd234152b9496af5164d2ae0bcac753b
Copyright registration time
2026-07-30T17:01:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:a9d0536d0232f46b0e62c65aa83e97dffb4267171ba3805ae2dc52bd3cf1d72f

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.