Keyed-watermark check & hidden-character inspection

Was it generated through a marked pipeline?

Paste text to check it for a keyed statistical watermark. A match means the text was generated through a pipeline holding that key. No mark found does not mean a person wrote it, and this is not an AI-writing detector.

Load specimen:

In a small town nestled along the coast of Africa, there lived a lighthouse keeper named Tim who was known for his keen eyes and excellent judgment. Tim was one of the few local lighthouses that had ever been abandoned due to the devastating storm that had fallen recently.

One day, Tim met a mysterious letter from an unknown sender. It was addressed to Tim's friend, a local tourist named Jack. Jack, who had never been to Africa, knew that Tim's friend was interested in the situation and wanted to make sure he received his letter promptly.

Tim quickly examined the letter and quickly realized that it was written by a man who had been fishing his boat for months and was missing from his boat. He immediately spoke to Jack and told him that Jack had received the letter from a local fishing company.

After several hours of conversation, Jack was able to understand Tim's message and respond. Jack replied with a polite greeting, and he was willing to work with Tim until he could find the missing boat.

Despite Jack's patience and hard work, Tim was able to find the boat and restore it to its original state. Jack then shared his experiences with Tim and they were able to make a positive impact on the community.

The lighthouse keeper was pleased to have been able to recover the missing boat and is pleased to have been able to make a positive impact on the community.

1381 chars · 248 words

The floor only enables a statistical test. An older-model planning example needed about 250 scored positions for 90% modeled detection, versus about 2% at the 52-position floor. Actual sensitivity depends on model, text and edits.

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