マグカップとシンク

Recording by Nogizaka46.

Recording identifiers

ISRC
JPU902303027
CopyrightID (CopyrightChains transaction hash)
0x555d79437c68d7fa030a717acc8038f4ff75fc232e62994aa69d2a6545850b91
Copyright registration time
2026-06-07T05:21:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:ebea245c892ab89d6afca409d2056f5cf794dc606676afe377a8cdacf6d46885

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.