Pith Number

pith:44JDK26A

pith:2013:44JDK26AI34AFBC3ECBJLJVTJK

not attested not anchored not stored refs pending

Clique cycle-transversals in distance-hereditary graphs

Andreas Brandst\"adt, F\'abio Protti, Loana Tito Nogueira, Simone Esposito

arxiv:1302.1402 v2 · 2013-02-06 · 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{44JDK26AI34AFBC3ECBJLJVTJK}

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	2026-05-18T03:34:15.657327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e712356bc046f802845b208295a6b34a94c5b6ed39c160f18cd0f4017485ec71

Aliases

arxiv: 1302.1402 · arxiv_version: 1302.1402v2 · doi: 10.48550/arxiv.1302.1402 · pith_short_12: 44JDK26AI34A · pith_short_16: 44JDK26AI34AFBC3 · pith_short_8: 44JDK26A

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/44JDK26AI34AFBC3ECBJLJVTJK \
  | 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: e712356bc046f802845b208295a6b34a94c5b6ed39c160f18cd0f4017485ec71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3408464145df43332beebbe1e0899369040cd66edefb19d20d874058f5470c34",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-02-06T15:16:59Z",
    "title_canon_sha256": "4ead0f4a43ed8c0320703051be1355db63afb382ed9030aa0db1a8783a67d833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1402",
    "kind": "arxiv",
    "version": 2
  }
}