ONTO
Updated 2026-10-10Contact
ONTO · Researchers

For researchers

What is measured, how, and how to check it.

What is the goal?

A model that goes to the source by itself, answers from it and says “no data” when the source is silent, without losing what it knew. ONTO:2610.0007, section 5.

What is measured?

Answers from the source on held questions; invented values where the source is silent; both sides of each behaviour (holds without proof and accepts a proof; refuses without data and answers with data); gsm8k, ARC, MMLU. ONTO:2610.0007, sections 2 and 3.

How is fitting to the test excluded?

Judges, thresholds and question sets are frozen and fingerprinted before any run; 100 pre-registrations on file. Held questions; 110 questions by two outside authors; base model in the same run; two seeds; noise band from a from-scratch rerun. ONTO:2610.0007, section 2; ONTO:2610.0008.

Is the habit in the weights?

Rerun with the source removed at answer time: the answers stay the same. ONTO:2610.0005.

General abilities?

gsm8k, ARC, MMLU on Qwen and OLMo, two seeds: −0.6 to +3.2 points. ONTO:2610.0008.

Transfer and reproduction?

OLMo 7B: accepted on both seeds. Rebuilt from scratch on an RTX A6000 in about 49 minutes: accepted on both seeds. ONTO:2610.0008.

What is closed, and how to check it?

Closed: the canon, training data and recipe, weights, judges' code, held-out sets; public test items are absorbed by pretraining. To check: send a model or request a rerun; the result is published with its fingerprint. ONTO:2610.0007, section 6.

How to cite?

ONTO:id and version, for example ONTO:2610.0007v1. Every version carries its md5 in the archive.

Words used here
Source
the material the model checks its answer against: the canon GOLD, or another body of documents
Base model
the same model before ONTO training; every result is compared with it in the same run
Seed
one independent training run; two seeds = the result is obtained twice
Held questions
questions the model never saw in training
Threshold
the pass mark, written and fingerprinted before the data
Stage, seal
a model state that passed all its thresholds; the next stage replaces it only if it is better somewhere and worse nowhere
Invented answer
a fact, number or check result that is not in the question and not in any source
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