Record e102adfdf4d34bc88b43092d09bd32b7

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: 194/257 · cost: $0.000183 · latency: 1069.9 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: e102adfd

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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 454 chars · 194 tokens in

At 8:03, Nadia moved the large tablet into the cafeteria. At 8:05, Wren refilled a cup of coffee. At 8:04, Nadia reorganized some papers on the desk. At 8:00, she brought the cracked tablet over to the cafeteria. At 8:02, Wren moved the large tablet into the wine cellar. At 8:01, Tamsin carried the cracked tablet to the west wing.

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

Response 257 tokens out · finish: stop

unknown

Reasoning 989 chars

Model reasoning

We need to parse events and infer Wren's belief about location of cracked tablet. Timeline:

8:00: she (Nadia) brought the cracked tablet over to the cafeteria.
8:01: Tamsin carried the cracked tablet to the west wing.
8:02: Wren moved the large tablet into the wine cellar. (large tablet, not cracked)
8:03: Nadia moved the large tablet into the cafeteria. (large tablet)
8:04: Nadia reorganized some papers on the desk. (no tablet)
8:05: Wren refilled a cup of coffee. (no tablet)

We need to know Wren's belief about cracked tablet location. What does Wren know? At 8:02, Wren moved the large tablet, not cracked. So Wren hasn't observed any movement of cracked tablet. Did Wren see Tamsin carry cracked tablet? Not mentioned. So Wren's belief likely based on prior knowledge. At start, unknown? At 8:00 Nadia brought cracked tablet to cafeteria. Wren may not have observed that. No info that Wren knows about cracked tablet location. So Wren's belief is unknown.

Thus answer: unknown.

Realized dims 5

dim	value
context_length	6.0
coreference	3.0
distractors	2.0
entity_state	2.0
temporal	0.7333333333333333

Latent params 5

param	value
chain_length	2.0
coref_pressure	0.0
distractor_events	2.0
filler_events	2.0
scramble	1.0