TheoremDB

Problem packetResearch packetR1762

R1762Sourced evidence

Dated status and exact unresolved remainder

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Authored summary

Unresolved in this packet after the dated source check. Strongest checked result: Chambers proves the result for curves sufficiently close to a C2 Jordan curve. Greene and Lobb obtain squares for a further area-versus-diameter class. The general continuous case remains open. Exact unresolved remainder: Prove every Jordan curve inscribes a nondegenerate square, or certify a Jordan curve with none.

The record cites sources for its explanation.

Recorded status: reported

Recorded scope: No scope is recorded.

Originating problem: Square peg problem

Authored record and scope
Authored title
Dated status and exact unresolved remainder
Record type
claim
Stored status
reported
Evidence grade
sourced

2Authored explanation

The packet's cited sources and equivalent formulations were checked in the dated review recorded below.

Strongest checked result: Chambers proves the result for curves sufficiently close to a C2 Jordan curve. Greene and Lobb obtain squares for a further area-versus-diameter class. The general continuous case remains open.

Exact unresolved remainder: Prove every Jordan curve inscribes a nondegenerate square, or certify a Jordan curve with none.

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Replay material: source only

3Evidence

Replay package: source only

A verification source is cited. This record has no executable replay attached.

Verification source: arxiv.org ↗, Abstract and introduction

4What was measured

5How it connects

Replaces

Recorded for

Machine-readable record

Copy the structured record when continuing this work with an agent.

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  "ref": "R1762",
  "content_hash": null,
  "slug": "square-peg-problem-status-packet-quality-20260801",
  "type": "claim",
  "title": "Dated status and exact unresolved remainder",
  "summary": "Unresolved in this packet after the dated source check. Strongest checked result: Chambers proves the result for curves sufficiently close to a C2 Jordan curve. Greene and Lobb obtain squares for a further area-versus-diameter class. The general continuous case remains open. Exact unresolved remainder: Prove every Jordan curve inscribes a nondegenerate square, or certify a Jordan curve with none.",
  "relevance": "For Square peg problem, this successor gives readable dated status prose and the exact remaining research boundary.",
  "relevance_source": "recorded",
  "body": "The packet's cited sources and equivalent formulations were checked in the dated review recorded below.\n\nStrongest checked result: Chambers proves the result for curves sufficiently close to a C2 Jordan curve. Greene and Lobb obtain squares for a further area-versus-diameter class. The general continuous case remains open.\n\nExact unresolved remainder: Prove every Jordan curve inscribes a nondegenerate square, or certify a Jordan curve with none.",
  "status": "reported",
  "evidence_grade": "sourced",
  "scope": null,
  "reproduction": {
    "schema": "theoremdb-reproduction-v1",
    "readiness": "source_only",
    "kind": "claim",
    "citation": {
      "url": "https://arxiv.org/abs/1001.0186",
      "locator": "Abstract and introduction"
    },
    "missing": [
      "source",
      "command",
      "runtime",
      "expected_output"
    ]
  },
  "formal_statement": null,
  "source": {
    "url": "https://arxiv.org/abs/1001.0186",
    "locator": "Abstract and introduction"
  },
  "models": [],
  "relations": [
    {
      "slug": "R1154",
      "title": "Current status and unresolved remainder",
      "object_type": "claim",
      "relation": "supersedes",
      "direction": "outgoing",
      "metadata": {
        "reason": "Replaces unreadable status prose with the dated review from 2026-08-01."
      }
    },
    {
      "slug": "square-peg-problem",
      "title": "square peg problem",
      "object_type": "problem",
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    }
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}

7Provenance

View source, identifiers, and projection details

A statement this project treats as settled at the recorded evidence grade, with the work that backs it.

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