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Record 6b40b5fd8d9c4383b9e82604505272c8

FAIL

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

✕FAILanswered "unknown" · model Nemotron 3 Super 120B

finish_reason: stop · tokens in/out: 476/355 · cost: $0.000198 · latency: 5789.5 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 6b40b5fd

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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 1,635 chars · 476 tokens in
At 8:00, Hakim moved the heavy wrench into the utility closet. At 8:01, he moved the heavy wrench into the north stairwell. At 8:02, Ivo carried the narrow basket to the north stairwell. At 8:03, Jamal moved the narrow basket into the workshop. At 8:04, Ivo moved the narrow basket into the north stairwell. At 8:05, he carried the narrow basket to the utility closet. At 8:06, he took the narrow basket and placed it in the north stairwell. At 8:07, Jamal moved the narrow basket into the workshop. At 8:08, he moved the narrow basket into the conference room. At 8:09, Ivo brought the narrow basket over to the workshop. At 8:10, Hakim took the narrow basket and placed it in the conference room. At 8:11, Jamal took the narrow basket and placed it in the workshop. At 8:12, Ivo moved the narrow basket into the conference room. At 8:13, he took the narrow basket and placed it in the workshop. At 8:14, he took the narrow basket and placed it in the utility closet. At 8:15, Hakim carried the narrow basket to the north stairwell. At 8:16, Jamal brought the narrow basket over to the workshop. At 8:17, he carried the narrow basket to the north stairwell. At 8:18, Ivo moved the narrow basket into the workshop. At 8:19, Hakim took the narrow basket and placed it in the utility closet. At 8:20, Jamal took the narrow basket and placed it in the conference room. At 8:21, he brought the narrow basket over to the workshop. At 8:22, Hakim reorganized some papers on the desk. At 8:23, Ivo refilled a cup of coffee.

Where does Ivo believe the heavy wrench is? Answer with only the location name (or 'unknown' if they have no belief).
Response 355 tokens out · finish: stop

unknown
Reasoning 1,624 chars
Model reasoning
We need to determine what Ivo believes about the heavy wrench's location based on his observations/actions described. The narrative includes events at times; we must infer each person's knowledge/belief given their actions. We assume that people know where objects are when they move them or see them being moved? Typically these puzzles require tracking beliefs: When someone moves an object, they know its new location. If they don't interact with an object, they may not know its location unless they observed someone else moving it? Usually assumption: agents only know about objects they have directly interacted with (moved, carried, took, placed) or observed? The problem statement: "Where does Ivo believe the heavy wrench is?" We need to infer Ivo's belief based on his actions regarding the heavy wrench. Let's parse timeline:

- At 8:00, Hakim moved the heavy wrench into the utility closet.
- At 8:01, he moved the heavy wrench into the north stairwell.
Thus after 8:01, heavy wrench is in north stairwell (according to Hakim's action). No mention of Ivo interacting with heavy wrench at any time. Ivo's actions involve narrow basket only. So Ivo never touches or observes the heavy wrench. Does Ivo have any belief? He might have no belief (unknown). Unless we assume that Ivo knows the initial location? Not given. Usually default unknown. So answer: unknown.

But check if any indirect info: Ivo might have seen Hakim moving the wrench? Not stated. The narrative only lists actions; we cannot assume Ivo saw unless mentioned. So Ivo has no belief about heavy wrench location => unknown.

Thus answer: unknown.
Realized dims 5
dimvalue
context_length24.0
coreference3.0
distractors20.0
entity_state2.0
temporal0.0
Latent params 5
paramvalue
chain_length2.0
coref_pressure0.0
distractor_events20.0
filler_events2.0
scramble0.0