純愛

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08501720
CopyrightID (CopyrightChains transaction hash)
0xc4cbdaeed4fa3b420c581bad92c24c1311f96ca59321c5afa4f049829155b8b8
Copyright registration time
2026-07-31T11:11:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:1fb66e5e25a7a9e3b8d834085b74369df51a480164329757bdbfc3795157418c

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.