Pith Number

pith:HWEPCO54

pith:2014:HWEPCO54DEBW6ZBRC5AGJMGH7B

not attested not anchored not stored refs pending

Polynomial-time Algorithms for Weighted Efficient Domination Problems in AT-free Graphs and Dually Chordal Graphs

Andreas Brandst\"adt, Arne Leitert, Martin Milani\v{c}, Pavel Fi\v{c}ur

arxiv:1410.0770 v2 · 2014-10-03 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWEPCO54DEBW6ZBRC5AGJMGH7B}

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	2026-05-18T02:32:53.001122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d88f13bbc19036f6431174064b0c7f84638017120f69a8baa3d76d55869ed04

Aliases

arxiv: 1410.0770 · arxiv_version: 1410.0770v2 · doi: 10.48550/arxiv.1410.0770 · pith_short_12: HWEPCO54DEBW · pith_short_16: HWEPCO54DEBW6ZBR · pith_short_8: HWEPCO54

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/HWEPCO54DEBW6ZBRC5AGJMGH7B \
  | 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: 3d88f13bbc19036f6431174064b0c7f84638017120f69a8baa3d76d55869ed04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e90f30b25700d44fdbad47734ed46ef41296b43268b5d373f7cf7fa838cd81b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-10-03T07:53:32Z",
    "title_canon_sha256": "ddd5d4c043e222e84aa9d3fc8582ed13e62402df37051ecf6bc8638f6eaa6d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0770",
    "kind": "arxiv",
    "version": 2
  }
}