Against

Recording by Nogizaka46.

Recording identifiers

ISRC
JPU901801017
CopyrightID (CopyrightChains transaction hash)
0xeaa927f3561aa6bee257f6ba4fc8449fbaf17d5534574fbb693ec4f0671258a0
Copyright registration time
2026-06-05T19:53:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:f62e271aac379febe516878cce8e06e0d3fe07a4d87c76cd823dee3392e8a874

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.