世界で一番優しい死神

Recording by Kikuo.

Recording identifiers

ISRC
JPE561203174
CopyrightID (CopyrightChains transaction hash)
0xc84f1659fdde96ee509c604e718a7cbf878edec2303db43ece6d9bb3c50ffd20
Copyright registration time
2026-06-07T12:54:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:37da863eb61fd22b2a0b17bdf984bc299e4e70284eef690c17b54f1eb787726f

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.