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
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:08ff9616487d59db24444017ef8c78db4dfbd31ac1f738a3c1f780af235ba773

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.