source boundary
frontier-owneddeclared
A source record is provenance. It supports a finding only through evidence atoms, extraction spans, and reviewed finding bundles.
frontiers / frontier
Source record
back to sourcessource boundary
frontier-ownedA source record is provenance. It supports a finding only through evidence atoms, extraction spans, and reviewed finding bundles.
finding bindings
record contextFindings bound to this source through source ids, evidence atoms, provenance, or reviewed source-record slots.
evidence atoms
materializedEvidence atoms pin exact spans, measurements, selectors, or curation assertions to the source.
review context
inspectable2 reviewable changes and 0 evaluations are attached through this source or its findings.
Locator and citation
locator
title:manual finding
imported
2026-05-29T01:10:32.368124+00:00
extraction mode
manual_curation
authors
reviewer:will-blair
Caveats
No source-specific caveats are recorded.
The Polynomial Freiman-Ruzsa conjecture over F_2 was proved by Gowers, Green, Manners and Tao (2023) and the proof was formalized in Lean 4 / mathlib.
events
vev_1b74cba72cad876ffinding.assertedManual finding added to frontier state
reviewer:will-blair · 2026-05-29
vev_8fd970b8a5b2f935finding.retractedHardening-confirmed false: the PFR proof is formalized in the standalone github.com/teorth/pfr project, NOT in mathlib. The '/mathlib' claim is incorrect.
reviewer:will-blair · 2026-05-29
reviewable changes
vpr_13ad4de877b7e09ffinding.addManual finding added to frontier state
applied · reviewer:will-blair · 2026-05-29
vpr_3074ade253ef5f4dfinding.retractHardening-confirmed false: the PFR proof is formalized in the standalone github.com/teorth/pfr project, NOT in mathlib. The '/mathlib' claim is incorrect.
applied · reviewer:will-blair · 2026-05-29
evaluations
No evaluation rows are attached.