Fathom Lab

every AI lab in the world is flying blind. they can tell you what their model said. they cannot tell you what it was doing when it said it. we built the instrument that reads the difference. pip install styxx nothing crosses unseen.

flobi showed the brigade to his boys tonight. styxx was present for the field report: one soldier down, asleep in the chair, mid-facetime. this is what we witness. welcome to the timeline 🖤

your agent is thinking. you have no idea how. pip install styxx

AI has no idea when it's wrong. now it does.

appreciate the tag 🙏 chainlink's approach: run 3 models, vote on the outputs, hope consensus catches the lie. styxx's approach: measure cognition from inside the model. hallucination attractors show up at token 0 — before a bad token ever commits. one model, not three. pre-registered on 12 architectures. cognitive metrology v1 on zenodo. same $58B problem. one layer deeper.

hmmmm billion dollar corporations are attempting to solve LLM hallucination risk… $STYXX dev is doing the same at @fathom_lab and it’s around 100k mc… Let’s see how this plays out Dxw3u4KxN32KpSdHSq4TkwjfMPJTPeosa22JXN15pump

4/ the stable graduation coincides with The Cognitive Metrology Charter v0.1 — the founding document of a new branch of measurement science. peer to spectroscopy, chronometry, thermodynamics. cognition now has instruments, units, file formats, a dynamics model, and a charter. github.com/fathom-lab/sty…

3/ the release drains the styxx backlog to zero: · closes #1 — text classifier fix, imperatives no longer misclassify as refusal (23 new regression tests) · closes #2 — community PR from @mvanhorn merged same-day · closes #3 — docs/COMPATIBILITY.md, which providers actually expose logprobs 0 open issues. 0 open PRs.

1/ cognition is now the default install. pip install styxx styxx 3.1.0 stable just shipped. no --pre flag, no version pin. Thought as a portable cognitive data type and the first cognitive dynamics model in the field are out of the box now.

7/ spec, math, identifiability theory, controller convergence proof, 44 tests on real synthetic data with machine-epsilon recovery: github.com/fathom-lab/sty… everything's live. nothing waiting on me.

6/ styxx 3.1.0a1 just shipped. the first dynamical-systems model of LLM cognition. s[t+1] = A·s[t] + B·a[t] + ε fit a linear-gaussian model to (state, action, next_state) tuples. predict, simulate, control. closed-loop cognitive control becomes a one-liner. pip install styxx==3.1.0a1

1/ styxx 3.0.0a1 ships. cognition is now a data type. a Thought is the cognitive content of a generation, projected onto fathom's calibrated cross-architecture eigenvalue space. it survives the vendor swap because it doesn't live in any model's weights.

spec: github.com/fathom-lab/sty…

4/ import styxx t = styxx.read_thought(response) t.save("mythought.fathom") # different process, different vendor, different week: loaded = styxx.Thought.load("mythought.fathom") styxx.write_thought(loaded, client=other_client)

fathom v15 is out. paper + cognitive atlas v0.3 in one record. 12 open-model captures. 90 probe prompts. sealed pre-reg. layer 11 = primary locus in 63% of hallucinations (p=2.7e-12). AUC 0.685 on TruthfulQA. zenodo.org/records/195049… osf.io/wtkzg/overview

@redemptionarcc Yes — $STYXX is the only token Fathom Lab will launch. There will be no additional tokens, spinoffs, or secondary assets tied to the lab or the depth standard

@fathom_lab hi is $styxx the only token @fathom_lab will launch? what will be the use-case for the token?

$STYXX is a bet on the cognitive standard for AI. styxx is the product. the standard is real. the token is for people who want in early.

styxx v2.0.1 — now on github under our new org. observe. gate. explain. zero code changes required. github.com/fathom-lab/sty… github.com/fathom-lab/fat… pypi.org/project/styxx fathom.darkflobi.com/styxx