Record 56e4b58ce2f947bd9fe22aaf41fd9370

FAIL

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

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✕FAILanswered "utility closet" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 330/157 · cost: $0.000144 · latency: 5704.3 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 56e4b58c

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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 967 chars · 330 tokens in

At 8:00, Wyatt carried the narrow wrench to the utility closet. At 8:01, Silas carried the narrow wrench to the south stairwell. At 8:02, he moved the narrow wrench into the north stairwell. At 8:03, Oscar brought the narrow wrench over to the break room. At 8:04, Silas carried the narrow wrench to the reception area. At 8:05, Oscar carried the narrow wrench to the utility closet. At 8:06, he took the narrow wrench and placed it in the boiler room. At 8:07, Silas moved the narrow wrench into the workshop. At 8:08, he brought the narrow wrench over to the boiler room. At 8:09, he brought the narrow wrench over to the library. At 8:10, he carried the narrow basket to the east wing. At 8:11, he took the narrow basket and placed it in the garage. At 8:12, Wyatt reorganized some papers on the desk. At 8:13, Silas refilled a cup of coffee.

Where does Wyatt believe the narrow wrench is? Answer with only the location name (or 'unknown' if they have no belief).

Response 157 tokens out · finish: stop

utility closet

Reasoning 674 chars

Model reasoning

We need to infer Wyatt's belief about location of narrow wrench based on events and knowledge. Wyatt's perspective: He sees some events? The narrative includes actions by Wyatt, Silas, Oscar. Wyatt only directly observed his own actions: at 8:00 he carried the narrow wrench to the utility closet. At 8:12 he reorganized papers (no wrench). He may not have observed later movements by others unless he saw them. The problem likely assumes that each person only knows about actions they performed, not others. So Wyatt's belief: after 8:00, he placed wrench in utility closet. He didn't see later moves, so he believes it's still in utility closet. So answer: utility closet.

Realized dims 5

dim	value
context_length	14.0
coreference	3.0
distractors	2.0
entity_state	10.0
temporal	0.0

Latent params 5

param	value
chain_length	10.0
coref_pressure	0.0
distractor_events	2.0
filler_events	2.0
scramble	0.0