瞳はダイアモンド

Recording by 広橋真紀子.

Recording identifiers

ISRC
JPQ702000003
CopyrightID (CopyrightChains transaction hash)
0x629285a19cfbbf5daa3a33d7316acee8b3b8bebdaf1bd1d43da67ea3cc39f2fc
Copyright registration time
2026-06-24T07:29:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:c91e726172975b64153631de654aca8bd0a2531c420206913937d53efe4f87dd

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.