Pith Number

pith:CY5JMBDB

pith:2012:CY5JMBDBUV6WYNWJGW4VF3FL5P

not attested not anchored not stored refs pending

The Cutting Plane Method is Polynomial for Perfect Matchings

Karthekeyan Chandrasekaran, Laszlo A. Vegh, Santosh Vempala

arxiv:1207.5813 v3 · 2012-07-24 · cs.DS · cs.DM · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CY5JMBDBUV6WYNWJGW4VF3FL5P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:01:24.559197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

163a960461a57d6c36c935b952ecabebe052ec177355f7992927f8d90c8d2eb3

Aliases

arxiv: 1207.5813 · arxiv_version: 1207.5813v3 · doi: 10.48550/arxiv.1207.5813 · pith_short_12: CY5JMBDBUV6W · pith_short_16: CY5JMBDBUV6WYNWJ · pith_short_8: CY5JMBDB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CY5JMBDBUV6WYNWJGW4VF3FL5P \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 163a960461a57d6c36c935b952ecabebe052ec177355f7992927f8d90c8d2eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224f8299527e31c20d3f9e512854a36b93c8b9f3ca7648432bd0f301e803a876",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-07-24T20:21:38Z",
    "title_canon_sha256": "54c3022c144fea23c2dfdd0532b25671cbd77227cfa15f54e494851a2b0462ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5813",
    "kind": "arxiv",
    "version": 3
  }
}