Record e60c194488f142aa9701dd12c23524dc

FAIL

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

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✕FAILanswered "reception" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 217/176 · cost: $0.000138 · latency: 3027.0 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: e60c1944

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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 528 chars · 217 tokens in

At 8:00, Leon took the shiny tablet and placed it in the reception area. At 8:00, Noor noticed this from across the room. At 8:01, Uma brought the shiny tablet over to the gym. At 8:02, Leon moved the worn wrench into the gym. At 8:03, she carried the worn wrench to the photo studio. At 8:04, she reorganized some papers on the desk. At 8:05, Noor refilled a cup of coffee. At 8:06, she checked their email.

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

Response 176 tokens out · finish: stop

reception

Reasoning 726 chars

Model reasoning

We need to infer Noor's belief about the location of the shiny tablet based on the events and what Noor observed. Timeline:

- 8:00: Leon took the shiny tablet and placed it in the reception area. At 8:00, Noor noticed this from across the room. So Noor sees Leon placing the tablet in reception. So at that moment, Noor believes tablet is in reception.

- 8:01: Uma brought the shiny tablet over to the gym. This is an event that changes location, but does Noor see this? Not mentioned. Noor only observed at 8:00. No further mention of Noor seeing the tablet move. So Noor's belief remains that it's in reception, unless she later gets info. No later observation.

Thus answer: reception. Probably location name "reception".

Realized dims 6

dim	value
context_length	7.0
coreference	1.0
distractors	2.0
entity_state	2.0
temporal	0.0
witness_gap	1.0

Latent params 6

param	value
chain_length	2.0
coref_pressure	0.0
distractor_events	2.0
filler_events	2.0
scramble	0.0
witness_cutoff	0.45