まもなく太陽が沈む

Recording by Kazuhiko Kato.

Recording identifiers

ISRC
JPTO09103940
CopyrightID (CopyrightChains transaction hash)
0xcb8d64172f8c4f43eaa766e948d60257461c5ee948bf05d7969586f0f90d45bd
Copyright registration time
2026-07-08T00:22:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:afdb6e8f8b6ea4ac87952fdb212457da0de52a17f8565e2164c862f3e2e3ed6b

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.