Pith Number

pith:3WN5W4WS

pith:2017:3WN5W4WSGUB7W5ZTYDVZM7KEG7

not attested not anchored not stored refs pending

Parameterized Algorithms for Recognizing Monopolar and 2-Subcolorable Graphs

Christian Komusiewicz, Erik Jan van Leeuwen, Iyad Kanj, Manuel Sorge

arxiv:1702.04322 v2 · 2017-02-14 · cs.CC · 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{3WN5W4WSGUB7W5ZTYDVZM7KEG7}

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	2026-05-18T00:26:46.486303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd9bdb72d23503fb7733c0eb967d4437d6e202f07696f1e5174fa3f2eee5a101

Aliases

arxiv: 1702.04322 · arxiv_version: 1702.04322v2 · doi: 10.48550/arxiv.1702.04322 · pith_short_12: 3WN5W4WSGUB7 · pith_short_16: 3WN5W4WSGUB7W5ZT · pith_short_8: 3WN5W4WS

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/3WN5W4WSGUB7W5ZTYDVZM7KEG7 \
  | 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: dd9bdb72d23503fb7733c0eb967d4437d6e202f07696f1e5174fa3f2eee5a101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae4045f3211a80d459f417887e7af765ecfb3c44245e795cef6a751cd92a3f2",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-02-14T18:21:28Z",
    "title_canon_sha256": "476ef7849bccd3944e3564f9df96d6f010e3f4d18cbc7a5252e2c559357c741d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04322",
    "kind": "arxiv",
    "version": 2
  }
}