NPA / Certificate-first proof checking

සිංහල: NPA: expose the proof evidence boundary before trusting a result.

සිංහල: This page reconstructs the NPA section from Math Lab as an independent evidence page: public status, trust model, proof pipeline, claim register, repositories, sources, and explicit non-replacement language.

සිංහල: Inspect the trust boundary සිංහල: Open GitHub repository

පොදු තත්ත්වය: පර්යේෂණ repository; සිංහල: Shown as research and implementation, not as a production assurance service.
පොදු නැවත පරීක්ෂාව: 2026-07-02 / NPA v0.2.0; සිංහල: Latest git tags checked: npa v0.2.0, npa-std v0.1.0, npa-mathlib v0.1.30.
බලපත්‍රය: Apache-2.0; සිංහල: Apache-2.0 was verified for npa, npa-std, and npa-mathlib on 2026-07-02.

සිංහල: Public recheck: 2026-07-02. The NPA repository latest git tag is v0.2.0; npa-std is v0.1.0; npa-mathlib is v0.1.30. Package README pins are shown as repository-specific context and are not flattened into one NPA version claim.

සිංහල: NPA evidence page preview showing certificate checking and trust-boundary inspection — සිංහල: The visual is a static preview of the certificate-checking result and trust-boundary explanation. It is not a live NPA trace.

Public status

සිංහල: State what is public, what is evidence, and when it was rechecked.

සිංහල: This page makes the page's basis visible: a local truth snapshot, a public repository source, and the final prelaunch readback date.

පොදු තත්ත්වය

සිංහල: Research and implementation repository

සිංහල: The GitHub repository is public, but this page describes a research and implementation repository, not a deployed service.

Public recheck

2026-07-02

සිංහල: The public-source readback was completed on 2026-07-02. The original source reconstruction still uses the 2026-06-21 local truth snapshot.

Evidence

Certificates and hashes

සිංහල: The source snapshot records canonical .npcert, certificate_hash, export_hash, axiom_report_hash, and checker verdicts.

License

Apache-2.0 verified

සිංහල: Apache-2.0 was verified for npa, npa-std, and npa-mathlib through public LICENSE metadata on 2026-07-02.

Boundary

සිංහල: NPA is not a practical replacement for Lean or Rocq. The distributed browser inspection simulation does not run NPA itself. Public tags, license, and repository visibility were checked on 2026-07-02 for the final publication readback.

Trust boundary

සිංහල: Move only a canonical certificate across the evidence boundary.

සිංහල: The boundary is not about which tool looks sophisticated. It is about which artifact is allowed to become evidence after independent checking.

සිංහල: Parser, elaborator, tactics, automation, theorem search, plugins, AI systems, source files, replay files, theorem indexes, publish plans, CI status, release pages, and registry metadata stay on the untrusted candidate side.

සිංහල: Proof pipeline / explanatory simulation

සිංහල: Show the exact pipeline from certificate bytes to checking evidence.

සිංහල: The browser simulation does not run NPA itself, Rust, WASM, or real proof certificates. It visualizes the source-free checking order that real artifacts must satisfy.

CLI evidence path

npa package verify-certs --root . --checker reference --json

NPA / audit trace READY

01 Certificate formatcanonical .npcert bytes / parseable certificate / format check WAIT
02 Certificate hashcertificate bytes / certificate_hash / deterministic digest WAIT
03 Kernel verdictcertificate / accept or reject / Rust verifier report WAIT
04 Reference checkerhash-pinned certificate / independent accept or reject / source-free checker report WAIT
05 Axiom reportchecked package / axiom_report_hash / assumption inventory WAIT

Verdict

සිංහල: The explanatory pipeline has not run yet.

සිංහල: Run the explanation to mark the source-free checking path in order.

Claim register

සිංහල: Separate evidence, time-sensitive facts, and boundary claims.

සිංහල: The page does not depend on loose research copy. Each public statement is tied to a local truth snapshot, a source, and a publication action.

සිංහල: Claim	සිංහල: Public wording	තත්ත්වය	සිංහල: Source	සිංහල: Publication action
CL-001	සිංහල: NPA is certificate-first: the auditable boundary is the canonical .npcert artifact and the checking path around it.	සිංහල: Verified public claim	S01 / 2026-07-02	සිංහල: Review when the README changes.
CL-002	සිංහල: The 2026-07-02 public recheck found the NPA repository latest git tag at v0.2.0. Related package READMEs still show repository-specific pins, so version wording stays scoped by repository.	සිංහල: Verified public recheck	S01 / S02 / 2026-07-02	සිංහල: Keep tag wording scoped by repository.
CL-003	සිංහල: The local truth snapshot records a Rust 1.95.0 toolchain pin; it is not used as a marketing claim.	සිංහල: Verified, time-sensitive	S01 / 2026-07-02	සිංහල: Recheck if the toolchain version is displayed.
CL-004	සිංහල: NPA is not a practical replacement for Lean or Rocq. This boundary must stay visible beside any comparison.	සිංහල: Verified boundary claim	S01 / S03 / S05 / 2026-07-02	සිංහල: Retain the disclaimer.
CL-005	සිංහල: npa-std and npa-mathlib are separate public theorem-package repositories in the finitefield-org organization.	සිංහල: Verified public claim	S01 / S02 / 2026-07-02	සිංහල: Recheck repository visibility again if publication is delayed or repositories change.
CL-006	සිංහල: The npa, npa-std, and npa-mathlib repositories each expose Apache-2.0 licensing through their public LICENSE metadata.	සිංහල: Verified public claim	S01 / S02 / 2026-07-02	සිංහල: Recheck LICENSE on a major release.

Repositories and license

සිංහල: Keep code, package repositories, and organization visibility explicit.

සිංහල: Repository links are public-source pointers, not guarantees that the current page is synchronized with the latest GitHub state.

4 සිංහල: repositories shown

finitefield-org

npa

සිංහල: Certificate-first proof assistance and verification toolchain.

License: සිංහල: Apache-2.0 verified from LICENSE on 2026-07-02.
Verification: Latest git tag: v0.2.0. No latest GitHub release is published. README current toolchain reference: NPA_GIT_TAG=v0.2.0.

experimentalRust / OCamlcertificate-first

සිංහල: Open repository

finitefield-org

npa-std

සිංහල: Standard theorem package repository for NPA proof sources.

License: සිංහල: Apache-2.0 verified from LICENSE on 2026-07-02.
Verification: සිංහල: Latest git tag and GitHub release: v0.1.0. README package metadata version: 0.1.0; package toolchain pin: NPA_GIT_TAG=v0.1.1.

experimentaltheorem packageproof source

සිංහල: Open repository

finitefield-org

npa-mathlib

සිංහල: Formal mathematics library research repository.

License: සිංහල: Apache-2.0 verified from LICENSE on 2026-07-02.
Verification: සිංහල: Latest git tag: v0.1.30. Latest GitHub release: v0.1.9. README package metadata version: 0.2.1; package toolchain pin: NPA_GIT_TAG=v0.1.1.

researchformal mathematicslibrary

සිංහල: Open repository

finitefield-org

Finite Field GitHub organization

සිංහල: Public organization snapshot for the Lab repository family.

License: සිංහල: Repository-specific licenses apply
Verification: සිංහල: npa, npa-std, and npa-mathlib are public as of the 2026-07-02 GitHub API readback.

public indexvisibility snapshotsource

සිංහල: Open organization

සිංහල: The GitHub repositories are the source for public code status. License, current tags, public visibility, and release wording were checked on 2026-07-02 as the M10-T14 final readback.

Proof ecosystem guard

සිංහල: Clarify roles before comparing proof tools.

සිංහල: This is a role table, not a ranking. Lean and Rocq remain the reference proof-assistant ecosystems; NPA is presented as certificate-centered research and implementation work.

සිංහල: Item	Lean	Rocq	NPA
සිංහල: Position	සිංහල: Open-source programming language and proof assistant.	සිංහල: Interactive theorem prover with a long research history.	සිංහල: Research and implementation repository for certificate-first checking.
සිංහල: Typical use	සිංහල: Mathematics, software verification, and programming.	සිංහල: Mathematics, specifications, program verification, and extraction.	සිංහල: Research into proof certificates, independent checking, and a small trusted base.
සිංහල: Evidence boundary	සිංහල: Its own trusted kernel and ecosystem define the checking boundary.	සිංහල: Its own kernel and checked developments define the checking boundary.	සිංහල: The canonical .npcert artifact crosses from generation into checking.
සිංහල: How this page treats it	සිංහල: Reference for learning, comparison, and interoperability.	සිංහල: Reference for learning, comparison, and formalization methods.	සිංහල: Finite Field research project, not a product promise.
සිංහල: Boundary	සිංහල: Specialist knowledge is still required.	සිංහල: Specialist knowledge is still required.	සිංහල: NPA is not a practical replacement for Lean or Rocq at this time.

සිංහල: Lean official site සිංහල: Rocq Prover official site NPA GitHub

Sources

සිංහල: Publish the source map beside the interpretation.

සිංහල: Sources are shown so the reader can tell which claims come from public repositories, official proof-tool sites, and company context.

S01

finitefield-org/npa

සිංහල: Primary source for NPA purpose, trust model, v0.2.0 current repository tag wording, commands, repository layout, and license.

සිංහල: Open source S02

Finite Field GitHub organization

සිංහල: Primary source for public repository visibility, latest git tags, release pages, and the Lab repository family snapshot checked on 2026-07-02.

සිංහල: Open source S03

Lean official site

සිංහල: Primary source for Lean's public positioning, checked on 2026-07-02.

සිංහල: Open source S04

Lean language reference

සිංහල: Primary source for dependent type theory and kernel reference context, checked on 2026-07-02.

සිංහල: Open source S05

Rocq Prover official site

සිංහල: Primary source for Rocq's public positioning, checked on 2026-07-02.

සිංහල: Open source S06

FINITE FIELD company site

සිංහල: Company source for Finite Field brand and business context.

සිංහල: Open source

FAQ

සිංහල: NPA status and verification boundaries.

සිංහල: The answers emphasize the trust boundary before readers confuse a research page with a deployed proof-assistant service.

සිංහල: Read about the company

01 සිංහල: Is this page a product guarantee?

සිංහල: No. NPA is shown here as a research and implementation repository.

02 සිංහල: Can NPA replace Lean or Rocq?

සිංහල: No. NPA is not a practical replacement for Lean or Rocq.

03 සිංහල: Does the page run real NPA verification?

සිංහල: No. The browser simulation does not run NPA itself, Rust, WASM, or real proof certificates.

04 සිංහල: What counts as evidence here?

සිංහල: The certificate artifact, deterministic hashes, Rust kernel/verifier result, source-free reference checker result, and axiom report form the checking-side evidence.

05 සිංහල: Which facts need rechecking?

සිංහල: Current public version, repository visibility, toolchain pins, license text, and source wording were rechecked on 2026-07-02.

සිංහල: From proof discipline to operations

සිංහල: Use the same evidence discipline when a business decision must be trusted.

සිංහල: For business systems, the useful lesson is not to add theorem proving everywhere. It is to decide what must be generated, checked, logged, corrected, and approved by people.

සිංහල: Check the business issue සිංහල: View prototype