Everything else on Pith.
Every page that is not in the header or the footer, with a sentence on what each one is.
How the reviews are made and checked
- Challenges
- Objections people have filed against a review, each with its decision and any correction.
- How a review is made
- The passes a machine review goes through, in the order they run.
- Receipts
- Pith's counts, each with the query or the dated experiment behind it.
- The 500-paper accuracy study
- A study that is designed and has not been run. The page says what it will measure.
- Verification tiers
- The marks T0 to T4 printed on a review, and how much of the paper each says a program checked.
More to read
- All fields
- Every arXiv archive and category Pith reads, with a page for each.
- Topics and open problems
- For each problem: the claims reviewed papers make about it, the reviewed papers that name it, and the reductions papers have asserted toward it.
- Citations
- A page for each work that reviewed papers cite, ranked by how many cite it.
- Reference changes
- Works cited in the corpus that were later retracted, corrected or withdrawn, with the notice.
- Papers posted on Pith
- Papers their authors posted on Pith directly, each with its review.
- Signed reviews
- Reviews of a paper written by a person and signed.
- Researchers
- Search the authors of the papers Pith holds and open a person's page.
- Notes
- Short notes and predictions from people on Pith. Each is time-stamped when written and cannot be edited.
For authors and reviewers
- Seal
- Prove that a file existed on a date without showing it to anyone.
- Anchor
- An open-source tool that checks what a Lean theorem statement says.
- Browser extension
- A panel that shows Pith's review on arXiv pages. Version 0.1.0 is installed by hand in Chrome's developer mode; it is not in the Chrome Web Store.
- No gates
- Why a paper sent to Pith is read on its merits, under rules that are public and the same for every author.
- The case for no gates
- Why journals and preprint servers built gates, with sources, and what Pith does in their place.
- Be early
- What an author gets for putting a paper on the record at Pith.
- Preprint policy
- How a paper is published on Pith: the screen, the states, the fees and the rubric.
- Preprint audit
- Counts of the papers submitted to Pith and what was decided on each.
- Become a reviewer
- Scientists are paid to write signed reviews. The page says how it works and takes applications.
- How a paid review works
- The rules for the buyer and for the reviewer of a human review, with every number the system enforces.
Integrity checks and identifiers
- Integrity
- The automatic checks Pith runs on a paper's references and files.
- Findings
- What those checks have found, as a feed.
- Integrity protocol
- The published format of a signed finding, version 1.
- Self-audit
- Five checks Pith runs against its own pages, with their history.
- Evidence
- What Pith keeps around one paper: what it claimed, what was checked and what was challenged.
- The Pith Number
- An identifier computed from a paper's content, which anyone can recompute.
For developers and machines
- Developers
- Every Pith record as public JSON, with the schemas and the signing key.
- Data dumps
- A file each month of every current review. The list of files is public; a file is sent on request.
- The connected record
- What each arXiv paper does with the works it cites, sentence by sentence.
- Signing key
- The public key Pith signs its records with.
- sitemap.xml
- The index of every list of addresses, for crawlers.
- llms.txt
- A short guide to Pith for AI assistants.
- robots.txt
- What crawlers may and may not fetch.
About Pith
- Who runs Pith
- The institute that runs Pith, the conflict of interest that comes with that, and each of its own papers with the standing Pith gave it.
- How Pith is governed
- Who answers for Pith, how a review is corrected, and what is not yet decided.
- Colophon
- Who runs Pith, how to verify what it publishes, and the signing key.
- The extension's privacy policy
- What the browser extension reads and sends.
Pith Reviews made public
A Pith Review of a manuscript is private to the author who asked for it. These are the ones whose authors chose to publish them.
The 6 public reviews, newest first
- The Fine-Structure Constant from the Recognition Ledger 14 Nov 2026
- The Physics of the One Who Is Looking: Recognition Boundary Theory 14 Nov 2026
- 2610.22388v1 28 Oct 2026
- jacobian manuscript 2 Aug 2026
- 2605.0025v1 17 May 2026
- 2605.0025v1 16 May 2026
Addresses that moved
An old address still works: it forwards to the new one. Nothing was deleted.
- /sitemap
- Now /more. Replaced 14 Nov 2026. The list of Pith's pages for people is the page you are on. The lists for crawlers are unchanged at /sitemap.xml.
- /api
- Now /data. Merged 14 Nov 2026. The page on Pith's data for machines has the footer's word for its address, and names its sister pages: record JSON, the dumps and the connected record. Addresses under /api/ did not move.
- /conjectures
- Now /topics. Merged 14 Nov 2026. The list of famous open problems is part of the list of topics, which says for each problem how many reviewed papers name it. A problem's own page of reviewed papers did not move.
- /frontier
- Now /topics. Merged 14 Nov 2026. The list of problems with reductions is part of the list of topics, which says for each problem how many routes to it papers have asserted. A problem's own frontier page did not move.
- /tools
- Now /authors. Merged 14 Nov 2026. What an author can run on a paper is on the page for authors: the reference check, the Pith Review and the seal. The records to look things up in are listed on this page.
- /ledger
- Now /more. Replaced 14 Nov 2026. The records it led to (researchers, reference changes, evidence) are listed on this page.
- /bounties
- Now /submit. Replaced 14 Nov 2026. The bounty board was replaced by paid human reviews, which are asked for on the submit page.
Pages taken out of public view
These pages answer a visitor who is not signed in with a notice. Nothing was deleted.
- Falsifier Watch
/tools/falsifier-watch - Falsifier Watch has been taken out of public view. Nothing was deleted: a watch you already made is kept, and you can open it when you are signed in.
- Living Bibliography
/tools/living-bibliography - Living Bibliography has been taken out of public view. Nothing was deleted: a bibliography you already made is kept, and you can open it when you are signed in.
- Novelty Check
/tools/novelty-check - The Novelty Check is no longer offered as a tool of its own. Nothing was deleted: a check you already ran is kept, and you can open it when you are signed in.
- Novelty Check, the sample
/tools/novelty-check/sample - The Novelty Check is no longer offered as a tool of its own. Nothing was deleted: a check you already ran is kept, and you can open it when you are signed in.