アンダー

Recording by Nogizaka46.

Recording identifiers

ISRC
JPU901702322
CopyrightID (CopyrightChains transaction hash)
0x6309aaee814e28391f585afb32321ab2ad42378a2d46723f2f4c181553219985
Copyright registration time
2026-06-08T09:26:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e9e66e2eefc118f1ff65c3109c5305e5a0b2c67ae40a02aebd92261d9b10aeee

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.