Record 99b9db70786e468997d78a9cddfeeafe

FAIL

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

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✕FAILanswered "server room" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 517/93 · cost: $0.000133 · latency: 5096.3 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 99b9db70

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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 1,588 chars · 517 tokens in

At 8:00, Aria took the heavy wrench and placed it in the server room. At 8:01, she carried the heavy wrench to the security office. At 8:02, Elena took the bright box and placed it in the photo studio. At 8:03, Tamsin took the bright box and placed it in the server room. At 8:04, Aria carried the bright box to the photo studio. At 8:05, Tamsin carried the bright box to the server room. At 8:06, Elena took the bright box and placed it in the photo studio. At 8:07, Aria took the bright box and placed it in the security office. At 8:08, she carried the bright box to the server room. At 8:09, Elena carried the bright box to the utility closet. At 8:10, Tamsin carried the bright box to the security office. At 8:11, Elena brought the bright box over to the photo studio. At 8:12, she took the bright box and placed it in the server room. At 8:13, Aria moved the bright box into the photo studio. At 8:14, Tamsin took the bright box and placed it in the utility closet. At 8:15, Aria brought the bright box over to the photo studio. At 8:16, Elena took the bright box and placed it in the security office. At 8:17, Tamsin took the bright box and placed it in the utility closet. At 8:18, Aria took the bright box and placed it in the server room. At 8:19, Tamsin carried the bright box to the photo studio. At 8:20, Aria took the bright box and placed it in the server room. At 8:21, she reorganized some papers on the desk. At 8:22, Elena refilled a cup of coffee.

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

Response 93 tokens out · finish: stop

server room

Reasoning 355 chars

Model reasoning

We need to track Aria's belief about heavy wrench location. The narrative: At 8:00, Aria took the heavy wrench and placed it in the server room. That's an action by Aria, so she knows she placed it there. No later actions mention heavy wrench again. So her belief remains that heavy wrench is in server room. No contradictory info. So answer: server room.

Realized dims 5

dim	value
context_length	23.0
coreference	3.0
distractors	19.0
entity_state	2.0
temporal	0.0

Latent params 5

param	value
chain_length	2.0
coref_pressure	0.0
distractor_events	19.0
filler_events	2.0
scramble	0.0