Record d3275e069c9c4baea5b15295eaaf6733

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: 576/470 · cost: $0.000368 · latency: 7003.2 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: d3275e06

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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 1,773 chars · 576 tokens in

At 8:15, Kian moved the red tablet into the boiler room. At 8:16, Wren carried the red tablet to the photo studio. At 8:17, Lucas carried the red tablet to the greenhouse. At 8:18, Elena moved the red tablet into the photo studio. At 8:20, Piers took the red tablet and placed it in the photo studio. At 8:14, he brought the red tablet over to the greenhouse. At 8:21, Lucas moved the red tablet into the south stairwell. At 8:22, Elliot reorganized some papers on the desk. At 8:23, Kian refilled a cup of coffee. At 8:24, Kira checked their email. At 8:25, Wren checked their email. At 8:26, Willa reorganized some papers on the desk. At 8:27, Elena made a quick phone call. At 8:28, Kira made a quick phone call. At 8:19, Elliot carried the red tablet to the greenhouse. At 8:00, Kian brought the old wrench over to the greenhouse. At 8:01, Piers moved the old wrench into the boiler room. At 8:02, Wren carried the red tablet to the south stairwell. At 8:03, Lucas brought the red tablet over to the photo studio. At 8:04, Willa took the red tablet and placed it in the boiler room. At 8:05, Elliot took the red tablet and placed it in the greenhouse. At 8:06, Wren brought the red tablet over to the photo studio. At 8:07, Piers moved the red tablet into the south stairwell. At 8:08, she took the red tablet and placed it in the photo studio. At 8:09, Kian moved the red tablet into the boiler room. At 8:10, Kira moved the red tablet into the greenhouse. At 8:11, Wren took the red tablet and placed it in the boiler room. At 8:12, Elena moved the red tablet into the greenhouse. At 8:13, she took the red tablet and placed it in the boiler room.

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

Response 470 tokens out · finish: stop

unknown

Reasoning 2,059 chars

Model reasoning

We need to parse the timeline and infer Elliot's belief about the old wrench location. The events include movements of red tablet and old wrench. Elliot's actions: at 8:22 reorganized papers, 8:19 carried red tablet to greenhouse. No mention of old wrench. But we need to infer Elliot's belief based on what they observed? The timeline includes many events; we need to consider what Elliot could have seen. Elliot's perspective: they are present at certain times? Not specified. Usually these puzzles: each person only knows events they observed or were present for. We need to deduce Elliot's belief about old wrench location based on events they could have witnessed. We need to know where old wrench moved: at 8:00 Kian brought old wrench to greenhouse. At 8:01 Piers moved old wrench into boiler room. No further mentions. So actual location after 8:01 is boiler room. Elliot's belief: Did Elliot see any of those? Not given. Elliot's first mention is at 8:19 carrying red tablet to greenhouse. So at 8:19, Elliot is at greenhouse (carrying red tablet). They might have seen the old wrench there earlier? At 8:00 Kian brought old wrench to greenhouse, then at 8:01 Piers moved it to boiler room. If Elliot arrived at greenhouse at 8:19, they might not know about the wrench movement unless they saw it earlier. Did Elliot see Piers moving wrench? Not indicated. So Elliot likely believes the old wrench is still in the greenhouse (last known to them). But they might have no belief (unknown) if they never saw it. However they might have seen Kian bring it at 8:00? Not indicated they were present. Usually each person only knows events they are directly involved in or maybe they see everything? The puzzle likely expects that Elliot only knows about events they are directly involved in (they moved red tablet at 8:19, reorganized papers at 8:22). They have no direct involvement with wrench, so they have no belief => unknown. But the question: "Where does Elliot believe the old wrench is?" If they have no belief, answer unknown. I'd go with unknown.

Realized dims 5

dim	value
context_length	29.0
coreference	12.0
distractors	20.0
entity_state	2.0
temporal	0.5517241379310345

Latent params 5

param	value
chain_length	2.0
coref_pressure	5.0
distractor_events	20.0
filler_events	2.0
scramble	1.0