Record 04f097b361484cbbb2a29bbfb6df613e

FAIL

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

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

finish_reason: stop · tokens in/out: 217/343 · cost: $0.000238 · latency: 3430.6 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 04f097b3

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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 545 chars · 217 tokens in

At 8:00, Jasper brought the narrow wrench over to the utility closet. At 8:00, Quinn noticed this from across the room. At 8:01, he moved the narrow wrench into the library. At 8:02, Willa carried the bright basket to the supply closet. At 8:03, he moved the bright basket into the utility closet. At 8:04, he reorganized some papers on the desk. At 8:05, Willa refilled a cup of coffee. At 8:06, Quinn checked their email.

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

Response 343 tokens out · finish: stop

library

Reasoning 1,379 chars

Model reasoning

We need to parse events and infer Quinn's belief about location of narrow wrench. Timeline:

8:00: Jasper brought the narrow wrench over to the utility closet. So at 8:00, the wrench is in utility closet (actual location). Quinn noticed this from across the room at 8:00. So Quinn sees Jasper bring wrench to utility closet, so Quinn believes at that moment wrench is in utility closet.

8:01: he (who? "he" refers to Quinn? The previous subject is Quinn? Actually sentence: "At 8:01, he moved the narrow wrench into the library." The pronoun likely refers to Quinn (since previous subject was Quinn). So at 8:01, Quinn moved the narrow wrench into the library. So Quinn knows he moved it, so his belief updates: wrench now in library.

8:02: Willa carried the bright basket to the supply closet. Not relevant.

8:03: he moved the bright basket into the utility closet. "he" likely Willa? Actually "he" ambiguous but not about wrench.

8:04: he reorganized some papers on the desk. Not relevant.

8:05: Willa refilled a cup of coffee.

8:06: Quinn checked their email.

Question: Where does Quinn believe the narrow wrench is? At the end (after 8:06). Quinn's belief after moving it at 8:01 is that it's in the library, unless he got new info. Did any other events affect his belief? No other mention of wrench. So Quinn still believes it's in the library.

Thus answer: library.

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	0.225