302号室

Recording by Keyakizaka46.

Recording identifiers

ISRC
JPU901802336
CopyrightID (CopyrightChains transaction hash)
0xae271888cfccf84dec12f914b7955460d05cd7a8232a475161e6c7a11aa22ce4
Copyright registration time
2026-06-09T05:29:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:d9902051f5e130a29e1c624b3ef523a4d45ef6614793d6cd3d65a2897a0a943a

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.