殺人と青天井

Recording by 友川かずき.

Recording identifiers

ISRC
JPKI08177781
CopyrightID (CopyrightChains transaction hash)
0xcb0026b7ba09dccda45c108e48e11aa475e9d89bd23c8cbef93a38a1ada619c0
Copyright registration time
2026-07-30T22:38:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:a7745706aa51b89889e742fc883d90f15d0cca7f80c6b2c5831ce3a08f17d8d7

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.