”+4”4

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840700312
CopyrightID (CopyrightChains transaction hash)
0x5b3f43e045cae5340573775b18952f0ac55461d0b0bb8ed98f597a64deb12234
Copyright registration time
2026-07-31T19:47:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:57Z
Bitcoin block
960456
Canonical record hash
sha256:e5feb2013898bde67e5acbfda57f3eddbe5aad24f42aad874e5b1d1054fe7039

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.