4:15 (Four Fifteen) [feat. okamoto emi]

Recording identifiers

ISRC

TCJPX2364454

CopyrightID (CopyrightChains transaction hash)

0xc80699f2ccb44e36d96f62c58e1ea47b73e75b7e470d8e964853e88b69c8b4f2

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T02:19:15Z

Bitcoin block

960334

Canonical record hash

sha256:ad8222229689d95b02d02ef34d1f1bd7ce316fc48169245a179bba827d220d29

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.