あいまいでいいよ

Recording by Hitsujibungaku.

Recording identifiers

ISRC
JPU902002803
CopyrightID (CopyrightChains transaction hash)
0xda65186c3be92272e4d731036a38c6070b431b1a6ea5abef744eb6816863d5a6
Copyright registration time
2026-06-04T10:13:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:10b295c1a04cec6d91c4fe5de047dd59f12d785dfdba3a688942d57ccd458105

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.