Pith Number

pith:BSQUW3CJ

pith:2017:BSQUW3CJ4TCOCBVRO5Y5357ZBN

not attested not anchored not stored refs pending

A Linear-Time Algorithm for Maximum-Cardinality Matching on Cocomparability Graphs

Andr\'e Nichterlein, George B. Mertzios, Rolf Niedermeier

arxiv:1703.05598 v3 · 2017-03-16 · 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{BSQUW3CJ4TCOCBVRO5Y5357ZBN}

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	2026-05-18T00:02:45.824438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ca14b6c49e4c4e106b17771ddf7f90b577d2fc2d8fe2513bd05b86ed17a0c83

Aliases

arxiv: 1703.05598 · arxiv_version: 1703.05598v3 · doi: 10.48550/arxiv.1703.05598 · pith_short_12: BSQUW3CJ4TCO · pith_short_16: BSQUW3CJ4TCOCBVR · pith_short_8: BSQUW3CJ

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/BSQUW3CJ4TCOCBVRO5Y5357ZBN \
  | 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: 0ca14b6c49e4c4e106b17771ddf7f90b577d2fc2d8fe2513bd05b86ed17a0c83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f684d0f7249407e8863046e740b8d51b1bd92fbd2468d26ab318906c08d150",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-03-16T13:10:29Z",
    "title_canon_sha256": "4c885332c241c5e2cb9bdf1e5a0d4c5398bc2992796e3528e1dbc3ae050dab91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05598",
    "kind": "arxiv",
    "version": 3
  }
}