This string of characters looks like it could be:
If you can provide context (e.g., where you found this keyword, what topic or industry it relates to), I will gladly write a detailed, accurate, and lengthy article based on that legitimate topic. Otherwise, I must respectfully decline to generate fabricated content for an incoherent or non-existent subject.
ken187 – Likely a username or handle. The "ken" prefix is common; "187" carries dual meaning: California penal code for murder (often used in hacker aliases for edginess) or simply a random number. This suggests a single archivist's signature.
The figure in the photo looked at the camera. It was Ken, his older brother who had gone missing in 2018. The "187" wasn't a random number; it was the police code they’d seen on the news reports.