BAD BOY

Recording by 小原綾斗とFCO.

Recording identifiers

ISRC
JPJ902300860
CopyrightID (CopyrightChains transaction hash)
0xc09f34f9bc14355dbf1f93f86ac64856f4e616c0c4b61f09c51a27c8c63dcbbe
Copyright registration time
2026-07-07T23:01:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:40ae0ae075938cae77217fbe27aea154b3c4443fc7d5a9ef1b6ee58ecbda0ec0

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.