Pith Number

pith:4JXIFITJ

pith:2020:4JXIFITJPS2X4JOVMGGXNZYLCJ

not attested not anchored not stored refs pending

Finding large matchings in 1-planar graphs of minimum degree 3

Fabian Klute, Therese Biedl

arxiv:2002.11818 v2 · 2020-02-26 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JXIFITJPS2X4JOVMGGXNZYLCJ}

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.

Cited by

1 paper in Pith

Optimal antimatroid sorting

Receipt and verification

First computed	2026-07-05T00:49:01.657518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e26e82a2697cb57e25d5618d76e70b12451c6a1eb58fd7bfade305a1b7b2ea18

Aliases

arxiv: 2002.11818 · arxiv_version: 2002.11818v2 · doi: 10.48550/arxiv.2002.11818 · pith_short_12: 4JXIFITJPS2X · pith_short_16: 4JXIFITJPS2X4JOV · pith_short_8: 4JXIFITJ

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/4JXIFITJPS2X4JOVMGGXNZYLCJ \
  | 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: e26e82a2697cb57e25d5618d76e70b12451c6a1eb58fd7bfade305a1b7b2ea18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9e0bdae67fc7ebcf8de33a130212e38865dccdb6d0ab98d127f7e1ab775375f",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2020-02-26T22:04:43Z",
    "title_canon_sha256": "8d4fd99b93b08761d5aa4aeae57b27539263317efb662762204d47c56bd22229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11818",
    "kind": "arxiv",
    "version": 2
  }
}