Record 91dff02280994ab1b98fbd13594c4754

FAIL

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

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✕FAILanswered "photo studio" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 396/209 · cost: $0.000185 · latency: 356838.4 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 91dff022

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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 1,150 chars · 396 tokens in

At 8:10, Cyrus moved the bright box into the boiler room. At 8:11, Vera carried the bright box to the cafeteria. At 8:12, Marcus reorganized some papers on the desk. At 8:13, he refilled a cup of coffee. At 8:14, Cyrus checked their email. At 8:15, Felix checked their email. At 8:16, Hakim reorganized some papers on the desk. At 8:17, Rafi made a quick phone call. At 8:18, Marcus made a quick phone call. At 8:09, Vera took the red folder and placed it in the front office. At 8:00, Talia took the red folder and placed it in the storage room. At 8:01, Hakim carried the red folder to the boiler room. At 8:02, Rafi moved the red folder into the workshop. At 8:03, Felix brought the red folder over to the storage room. At 8:04, David moved the red folder into the reception area. At 8:05, Cyrus carried the red folder to the photo studio. At 8:06, Rafi took the red folder and placed it in the basement. At 8:07, Vera took the red folder and placed it in the front office. At 8:08, she carried the red folder to the greenhouse.

Where does Cyrus believe the red folder is? Answer with only the location name (or 'unknown' if they have no belief).

Response 209 tokens out · finish: stop

photo studio

Reasoning 852 chars

Model reasoning

We need to infer Cyrus's belief about location of red folder based on events and possibly knowledge. We have timeline of actions. Need to consider what Cyrus knows. The events list includes many actions by various people moving the red folder. Cyrus's own actions: At 8:05, Cyrus carried the red folder to the photo studio. Also at 8:10, Cyrus moved the bright box into the boiler room. At 8:14, Cyrus checked their email. At 8:14 maybe they could have observed something? But belief about red folder based on what Cyrus knows. Does Cyrus know about later moves after 8:05? He checks email at 8:14; maybe email could contain info about red folder? Not given. So likely Cyrus believes the red folder is where he left it at 8:05: photo studio. Unless later events he could have observed (e.g., email about folder moved). No info. So answer: photo studio.

Realized dims 5

dim	value
context_length	19.0
coreference	16.0
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