Nibyoukan

Recording by MARUDARUMA.

Recording identifiers

ISRC
JPC231200700
CopyrightID (CopyrightChains transaction hash)
0xab128c475190b6b08be09123f6c358ad47622941ca9c4a2dc8c70adc5d5acfcb
Copyright registration time
2026-07-31T08:15:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:b933d4d402716316418516e96268d788642dac7c6c892341d6a79c0c53629b0d

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.