Actually...

Recording by Nogizaka46.

Recording identifiers

ISRC
JPU902200375
CopyrightID (CopyrightChains transaction hash)
0xd6ce90e19598f4f57ecb3a253672acce579fbe6ac794c8f69f4a9210460c3834
Copyright registration time
2026-06-04T14:06:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:af06d2863435944d908ff8e283031e861c6ba0cd522300fda3b86361fcd14e08

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.