Record 0fbe52bee48f4de4a4715e75676baa77

FAIL

Verdict and provenance first; raw prompt/response/reasoning below, collapsed.

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✕FAILanswered "unknown" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 469/193 · cost: $0.000186 · latency: 4087.0 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 0fbe52be

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Why did it fail? Nemotron 3 Ultra · live on Nebius Token Factory

Ultra reads the prompt, this answer, the verified correct answer and the difficulty settings, then explains the mistake. The verifier's own classification is shown next to it for comparison.

Prompt 1,436 chars · 469 tokens in

At 8:00, Hugo moved the bright folder into the server room. At 8:01, Rafi moved the bright folder into the basement. At 8:02, he took the green folder and placed it in the basement. At 8:03, he carried the green folder to the boiler room. At 8:04, Hugo moved the green folder into the server room. At 8:05, Silas carried the green folder to the wine cellar. At 8:06, he carried the green folder to the basement. At 8:07, Rafi moved the green folder into the wine cellar. At 8:08, Silas carried the green folder to the basement. At 8:09, Rafi carried the green folder to the wine cellar. At 8:10, Silas brought the green folder over to the basement. At 8:11, Rafi brought the green folder over to the boiler room. At 8:12, Hugo brought the green folder over to the server room. At 8:13, Silas took the green folder and placed it in the basement. At 8:14, he brought the green folder over to the wine cellar. At 8:15, Rafi took the green folder and placed it in the basement. At 8:16, Silas moved the green folder into the wine cellar. At 8:17, Rafi took the green folder and placed it in the boiler room. At 8:18, Silas brought the green folder over to the server room. At 8:19, Hugo carried the green folder to the wine cellar. At 8:20, he reorganized some papers on the desk. At 8:21, he refilled a cup of coffee.

Where does Silas believe the bright folder is? Answer with only the location name (or 'unknown' if they have no belief).

Response 193 tokens out · finish: stop

unknown

Reasoning 802 chars

Model reasoning

We need to parse the scenario. It's a story with multiple actions moving folders. The question: "Where does Silas believe the bright folder is?" So we need to track beliefs of Silia about the bright folder. The bright folder was moved only at 8:00 by Hugo into the server room, and at 8:01 Rafi moved the bright folder into the basement. After that, no further mentions of bright folder. So the actual location after 8:01 is basement. But we need Silas's belief. Silas hasn't observed any moves of bright folder. He only appears later moving green folder. So what does Silas believe about bright folder? He may have no belief (unknown). However, maybe he could infer from being told? Not given. So answer likely "unknown". But check if any mention of Silas seeing bright folder? No. So answer: unknown.

Realized dims 5

dim	value
context_length	22.0
coreference	3.0
distractors	18.0
entity_state	2.0
temporal	0.0

Latent params 5

param	value
chain_length	2.0
coref_pressure	0.0
distractor_events	18.0
filler_events	2.0
scramble	0.0