Record af3a829d044a4430b749a9d519d0dccd

FAIL

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

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

finish_reason: stop · tokens in/out: 393/199 · cost: $0.000178 · latency: 7155.0 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: af3a829d

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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 1,156 chars · 393 tokens in

At 8:10, Cyrus carried the large box to the east wing. At 8:11, Hana brought the large box over to the lobby. At 8:12, Juno reorganized some papers on the desk. At 8:13, Rosa refilled a cup of coffee. At 8:14, Noor checked their email. At 8:15, Juno checked their email. At 8:16, Hana reorganized some papers on the desk. At 8:17, Rosa made a quick phone call. At 8:18, Noor made a quick phone call. At 8:03, Leon carried the cracked tablet to the library. At 8:00, Juno carried the cracked tablet to the lobby. At 8:01, Hana moved the cracked tablet into the mail room. At 8:09, she took the cracked tablet and placed it in the atrium. At 8:02, Noor brought the cracked tablet over to the reception area. At 8:04, she moved the cracked tablet into the garage. At 8:05, Leon brought the cracked tablet over to the reception area. At 8:06, Adrian carried the cracked tablet to the boiler room. At 8:07, he took the cracked tablet and placed it in the wine cellar. At 8:08, Jasper took the cracked tablet and placed it in the east wing.

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

Response 199 tokens out · finish: stop

lobby

Reasoning 763 chars

Model reasoning

We need to parse timeline and infer Juno's belief about location of cracked tablet. We have events with timestamps. Need to track where the cracked tablet actually is, and what Juno knows (belief). Juno's actions: At 8:00, Juno carried the cracked tablet to the lobby. At 8:15, Juno checked their email. At 8:12, Juno reorganized some papers on the desk. At 8:15, Juno checked email again (already). No other Juno actions about tablet. So Juno's last direct interaction with tablet was at 8:00 moving it to lobby. After that, others moved tablet around. Does Juno have any knowledge of those moves? Not unless they observed. No mention of Juno seeing others move tablet. So Juno believes tablet is still at lobby (the location they moved it to). So answer: lobby.

Realized dims 5

dim	value
context_length	19.0
coreference	12.0
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