The name is new. The word it comes from is not — ἰσονομία, isonomia, equality before the law, with no one exempt from it, including whoever's enforcing it. Here's the word, the spelling, and what the company behind the name builds.
Break the word down and it's plain: iso- (equal) plus nomos (law, or the customary order a community lives under) gives ἰσονομία — isonomia. The standard rendering is "equality before the law," though older discussions of the word sometimes stretch it further, toward equal standing in a community's public life. The core claim is narrower and sharper than either: whatever the law requires, it requires of everyone in view of it — including whoever is enforcing it that day.
The word shows up early. Some historians of Athens argue that isonomia, not the later and more familiar demokratia, was the word used in the years right after Cleisthenes' reforms of 508/507 BCE — the redrawing of the tribes to cut across old aristocratic loyalties, a council seated by lot, one law binding an aristocrat and a commoner alike. Whether isonomia or demokratia came first as the rallying word is a real scholarly argument, not a settled fact, and we're not going to settle it here. What's not in dispute is that the word was doing real political work in Athens a very long time before anyone put it on a landing page.
Herodotus stages the clearest ancient argument for it. In the Histories, Book 3, sections 80 through 82, seven Persian conspirators who've just killed a usurping Magus debate what to replace him with. One of them, Otanes, argues for rule by the many over rule by one man, and isonomia is close to his key word for why: a monarch answers to no one, and answering to no one corrupts even a good man eventually. Megabyzus argues back for oligarchy; Darius, who wins the argument and the throne, argues for monarchy. We're describing that debate here rather than quoting it, on purpose — we don't have a verbatim, sourced translation anchored the way this site anchors everything else it quotes, and an unanchored quote is exactly the kind of claim this stack exists to refuse. Including, apparently, its own history page.
Two jobs for two connected words. Here's where the line is, so nobody has to guess.
The correct, standard rendering of ἰσονομία in English is isonomia. That's the word in the histories, the word classicists use, the word the previous section just spent three paragraphs describing. If you go looking for the concept, that's the spelling you'll find, and the spelling we use whenever we mean the concept.
Isonomai is a deliberate one-letter respelling, chosen for reasons that have nothing to do with Greek and everything to do with running a company: a domain we could register, a name distinct enough to search for, something that reads as a name rather than a dictionary entry. It makes no claim that ἰσονομαι is some other word. It isn't a word at all outside of this brand.
Wherever this site talks about the historical concept, the word, Cleisthenes, Herodotus's debate, it says isonomia, correctly. Wherever it names the company or the product, it says Isonomai. Those two words never swap places, including in the small print at the bottom of every page.
Writing about the classical idea? The word is isonomia. Writing about us? The name is Isonomai. One letter, one honest reason, no new Greek invented to justify it.
A federation of independent instruments, held together by one rule the name itself describes.
Six independent instruments, Intent, Rules, Decisions, Claims, Attestation and Outcomes, each its own repository, license posture and test suite. They interoperate through open formats and never through shared code, so the verifier stays independent of the verified. There's no single Isonomai codebase to trust. There's a federation, and the name is what holds the doctrine together.
Isonomia means no party stands above the law, whoever is enforcing it that day. Applied to software, that's the whole doctrine: the model is never the source of a rule, a why or a verdict. A human has to gate every real-world action. Every ledger verifies offline, from hashes and public keys alone, with no trust in our uptime or our word required. The word describes the constraint before a single line of code enforces it.
"Isonomia means no one stands above the law — not even the one enforcing it. Verification works the same way: no one stands above the check — not even us."
The plain answer to each, the way we'd give it on a call.
Literally, equal law — iso (equal) plus nomos (law). The standard translation is equality before the law: whatever the law requires, it requires of everyone, including whoever holds power. It's a real term from classical Greek political thought, discussed by Herodotus and tied to the Athenian reforms under Cleisthenes. The full history, with its sources, is above, in "The word."
Distinctiveness and a domain we could own. Isonomia stays correct everywhere on this site when we're talking about the classical concept. Isonomai is our name, a deliberate one-letter respelling. It is no claim to a different Greek word; there isn't one.
Six independent trust instruments, and no single product called Isonomai. An intent ledger, a rules corpus, a deterministic decision engine, three claim-verification tools, an attestation toolkit and an outcome ledger, each its own repository and license, connected by open formats instead of shared code. The Stack page walks through all six.
Anyone putting AI into work where "trust me" isn't good enough. Compliance teams running rule-based decisions. Engineering teams that need an AI system's claims checked before they ship. Acquirers and enterprise buyers doing technical diligence on an AI vendor. Builders who'd rather not write their own verification layer from scratch.
Not as a single purchase; there's no "Isonomai" line item. The individual instruments and the products built on them (Pandect's rule API, Verdict, ShipSafe, the RuleCore verticals) each carry their own maturity status and, where they're ready, their own price. The Diligence page lists every one, including what's still dry-run or in validation.
Those are the instruments. wherefore is the Intent layer, Pandect is the Rules layer, RuleCore is the Decisions layer, touchstone/groundwork/claimcheck are the Claims layer, agent-exchange and proof-layer are the Attestation layer, and aletheia is the Outcomes layer. Isonomai is the name for the federation and the doctrine holding it together, with no seventh product stacked on top.
Six instruments, in depth, or skip ahead and ask for the dossier. It comes back within two business days.