Pith Number

pith:4YJCNS7U

pith:2018:4YJCNS7U2VD6F27GAANXEBLTIE

not attested not anchored not stored refs pending

Data Reduction for Maximum Matching on Real-World Graphs: Theory and Experiments

Andr\'e Nichterlein, Philipp Zschoche, Rolf Niedermeier, Tomohiro Koana, Viatcheslav Korenwein

arxiv:1806.09683 v3 · 2018-06-25 · 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{4YJCNS7U2VD6F27GAANXEBLTIE}

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	2026-07-05T02:38:11.723579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61226cbf4d547e2ebe6001b72057341170dc8f152891c7ab41a9c6168c49817

Aliases

arxiv: 1806.09683 · arxiv_version: 1806.09683v3 · doi: 10.48550/arxiv.1806.09683 · pith_short_12: 4YJCNS7U2VD6 · pith_short_16: 4YJCNS7U2VD6F27G · pith_short_8: 4YJCNS7U

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/4YJCNS7U2VD6F27GAANXEBLTIE \
  | 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: e61226cbf4d547e2ebe6001b72057341170dc8f152891c7ab41a9c6168c49817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8538a770afbea97e0a0703edaf3df2774ef00f20c4d96148a15bd912c0c81130",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-25T19:43:29Z",
    "title_canon_sha256": "76fff2dfd0825421b1671db68458375c5092c01e2e97f95923eb4979db8bf7b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09683",
    "kind": "arxiv",
    "version": 3
  }
}