Record 35a7ba16b555409182cbb6b1090dbc5c

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: 390/98 · cost: $0.000117 · latency: 353497.2 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 35a7ba16

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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 1,159 chars · 390 tokens in

At 8:11, Elena moved the blue folder into the rooftop terrace. At 8:09, Felix carried the worn tablet to the rooftop terrace. At 8:12, Kira reorganized some papers on the desk. At 8:13, Elena refilled a cup of coffee. At 8:14, Leon checked their email. At 8:15, Felix checked their email. At 8:16, Wyatt reorganized some papers on the desk. At 8:17, Leon made a quick phone call. At 8:18, Felix made a quick phone call. At 8:10, Leon carried the blue folder to the reception area. At 8:00, he carried the worn tablet to the mail room. At 8:01, Wyatt brought the worn tablet over to the cafeteria. At 8:02, Felix brought the worn tablet over to the rooftop terrace. At 8:03, he moved the worn tablet into the mail room. At 8:04, he brought the worn tablet over to the archive room. At 8:05, he took the worn tablet and placed it in the reception area. At 8:06, Leon brought the worn tablet over to the photo studio. At 8:07, Kira brought the worn tablet over to the server room. At 8:08, Felix carried the worn tablet to the reception area.

Where does Petra believe the worn tablet is? Answer with only the location name (or 'unknown' if they have no belief).

Response 98 tokens out · finish: stop

unknown

Reasoning 440 chars

Model reasoning

We need to parse the timeline and infer Petra's belief about the location of the worn tablet. The statements mention various people moving the worn tablet. Petra is not mentioned directly. We need to infer based on knowledge of belief tracking: what does Petra believe? We have no statements about Petra's observations. So likely unknown. However maybe Petra is implied to be one of the people? No, Petra not mentioned. So answer "unknown".

Realized dims 5

dim	value
context_length	19.0
coreference	4.0
distractors	2.0
entity_state	10.0
temporal	0.5789473684210527

Latent params 5

param	value
chain_length	10.0
coref_pressure	5.0
distractor_events	2.0
filler_events	2.0
scramble	1.0