何もいらない

Recording by Crazy Ken Band.

Recording identifiers

ISRC
JPPO01902456
CopyrightID (CopyrightChains transaction hash)
0x36205b748bcac11987bf818b3e47fc428de00247594a5b2601a65937849b1bb7
Copyright registration time
2026-07-07T00:38:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:661c5c14951f166f8336c80aa2e41cecdfbec835ae32650643d98dc23e17b33f

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.