”+4”1

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840700309
CopyrightID (CopyrightChains transaction hash)
0x4bc37c2bba3153bbeec6ff7ce6fe172cee05e09337f2951382525a7e3f9042f1
Copyright registration time
2026-07-30T12:08:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34Z
Bitcoin block
960258
Canonical record hash
sha256:0ab543019547113dd68c28841a11de091c678150c9e5ac940c40452e5d9ec896

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.