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Record b4c379eecf6b47ea94ff76a1f0a84681

FAIL

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

✕FAILanswered "library" · model Nemotron 3 Nano 30B

finish_reason: stop · tokens in/out: 409/1080 · cost: $0.000236 · latency: 14015.7 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: b4c379ee

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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 1,343 chars · 409 tokens in
At 8:00, Wyatt carried the narrow wrench to the utility closet. At 8:01, Silas carried the narrow wrench to the south stairwell. At 8:01, Wyatt was nearby and saw this happen. At 8:02, Silas moved the narrow wrench into the north stairwell. At 8:02, Wyatt was nearby and saw this happen. At 8:03, Oscar brought the narrow wrench over to the break room. At 8:03, Wyatt happened to be watching. At 8:04, Silas carried the narrow wrench to the reception area. At 8:04, Wyatt happened to be watching. At 8:05, Oscar carried the narrow wrench to the utility closet. At 8:05, Wyatt noticed this from across the room. At 8:06, Oscar took the narrow wrench and placed it in the boiler room. At 8:06, Wyatt noticed this from across the room. At 8:07, Silas moved the narrow wrench into the workshop. At 8:07, Wyatt noticed this from across the room. At 8:08, Silas brought the narrow wrench over to the boiler room. At 8:08, Wyatt happened to be watching. At 8:09, Silas brought the narrow wrench over to the library. At 8:10, he carried the narrow basket to the east wing. At 8:11, he took the narrow basket and placed it in the garage. At 8:12, Wyatt reorganized some papers on the desk. At 8:13, Silas refilled a cup of coffee.

Where does Wyatt believe the narrow wrench is? Answer with only the location name (or 'unknown' if they have no belief).
Response 1,080 tokens out · finish: stop
library
Reasoning 3,964 chars
Model reasoning
We need to infer where Wyatt believes the narrow wrench is, based on observations. The timeline: At 8:00, Wyatt carried the narrow wrench to the utility closet. So initially, Wyatt had the wrench and placed it in utility closet. At 8:01, Silas carried the narrow wrench to the south stairwell. At 8:01, Wyatt was nearby and saw this happen. So Wyatt sees Silas moving the wrench from utility closet? Actually earlier Wyatt carried it to utility closet at 8:00. At 8:01, Silas carries the narrow wrench to the south stairwell. Wyatt sees this. So Wyatt sees that the wrench is now at south stairwell (or being moved there). At 8:02, Silas moved the narrow wrench into the north stairwell. At 8:02, Wyatt was nearby and saw this happen. So Wyatt sees it moved again to north stairwell. At 8:03, Oscar brought the narrow wrench over to the break room. At 8:03, Wyatt happened to be watching. So Wyatt sees it moved to break room. At 8:04, Silas carried the narrow wrench to the reception area. At 8:04, Wyatt happened to be watching. So sees it moved to reception. At 8:05, Oscar carried the narrow wrench to the utility closet. At 8:05, Wyatt noticed this from across the room. So sees it moved back to utility closet. At 8:06, Oscar took the narrow wrench and placed it in the boiler room. At 8:06, Wyatt noticed this from across the room. So sees it moved to boiler room. At 8:07, Silas moved the narrow wrench into the workshop. At 8:07, Wyatt noticed this from across the room. So sees it moved to workshop. At 8:08, Silas brought the narrow wrench over to the boiler room. At 8:08, Wyatt happened to be watching. So sees it moved back to boiler room. At 8:09, Silas brought the narrow wrench over to the library. At 8:10, he carried the narrow basket to the east wing. At 8:11, he took the narrow basket and placed it in the garage. At 8:12, Wyatt reorganized some papers on the desk. At 8:13, Silas refilled a cup of coffee.

We need to infer where Wyatt believes the narrow wrench is. He has been watching many moves. At each step, he sees the wrench being moved. At 8:10 onward, there is mention of "narrow basket" not wrench. The wrench may have been replaced? At 8:09, Silas brought the narrow wrench over to the library. At 8:10, he carried the narrow basket to the east wing. So maybe the wrench is no longer being referred to? The basket is separate. The wrench may have been left somewhere earlier. At 8:09, Silas brings the narrow wrench to the library. At 8:10, he carries the narrow basket to the east wing. So the wrench is still at library? Or maybe he moved the wrench from library to somewhere else? Not specified. At 8:11, he took the narrow basket and placed it in the garage. So the basket goes to garage, but the wrench? Not mentioned. So after 8:09, the wrench is at library (according to what Wyatt saw). He might think it's still there unless he saw it moved later. He didn't see any further moves of the wrench after 8:09. He was reorganizing papers at 8:12, and Silas refilled coffee at 8:13. No mention of wrench movement after that. So Wyatt's belief: He saw it go to library at 8:09, and then nothing else. So he likely believes it's in the library. However, there is a nuance: At 8:10, he saw a narrow basket being carried to east wing, but that might be separate from the wrench. The wrench might have been left in library. So answer: library.

But check earlier: At 8:08, Silas brought the narrow wrench over to the boiler room, and Wyatt was watching. So he saw it go to boiler room at 8:08. Then at 8:09, Silas brought the narrow wrench over to the library. So he saw it moved from boiler room to library. So at 8:09, the wrench is in library. Then at 8:10, he carried the narrow basket to east wing (maybe the basket is separate). So the wrench remains in library. So Wyatt's belief after 8:09 is that the wrench is in the library. He didn't see any further moves. So answer: library.

Thus output only location name: library.
Realized dims 5
dimvalue
context_length14.0
coreference3.0
distractors2.0
entity_state10.0
temporal0.0
Latent params 5
paramvalue
chain_length10.0
coref_pressure0.0
distractor_events2.0
filler_events2.0
scramble0.0