√HAPPYEND

Recording by 逢坂大河・櫛枝実乃梨・川嶋亜美(釘宮理恵、堀江由衣、喜多村英梨).

Recording identifiers

ISRC
JPKI01119182
CopyrightID (CopyrightChains transaction hash)
0xa5dae2d608fc2d62731fb9ba1f13329d64fd8bb7a2ce9e44f14aa175b163330f
Copyright registration time
2026-06-25T18:06:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:40ce4d773481c948ba6a758c470fad7b3fa785ce3f11a7f864765bc3618d9c17

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.