Koi wa Question

Recording by Onyanko Club.

Recording identifiers

ISRC
JPPC08604929
CopyrightID (CopyrightChains transaction hash)
0xfd4f6c2d87ca1f03df81100df491069cc7201161d02287e2cc5b6cd6159ed193
Copyright registration time
2026-06-22T22:30:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8092556aa03965e36702dbf85f2fc2993f46780c99aa61aaa3c302ac7adb996a

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.