Pith Number

pith:EXKJWF5I

pith:2013:EXKJWF5ISMK4OKFORPQ26D5U22

not attested not anchored not stored refs pending

New Polynomial Cases of the Weighted Efficient Domination Problem

Andreas Brandst\"adt, Martin Milanic, Ragnar Nevries

arxiv:1304.6255 v1 · 2013-04-23 · 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{EXKJWF5ISMK4OKFORPQ26D5U22}

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	2026-05-18T03:27:21.970270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25d49b17a89315c728ae8be1af0fb4d6bbf3fca6b9530068d87c71a1271c2cdb

Aliases

arxiv: 1304.6255 · arxiv_version: 1304.6255v1 · doi: 10.48550/arxiv.1304.6255 · pith_short_12: EXKJWF5ISMK4 · pith_short_16: EXKJWF5ISMK4OKFO · pith_short_8: EXKJWF5I

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/EXKJWF5ISMK4OKFORPQ26D5U22 \
  | 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: 25d49b17a89315c728ae8be1af0fb4d6bbf3fca6b9530068d87c71a1271c2cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57978384d533df3e2dc62f106a5991c1925d0c4e38bca3ebb7c616fedaacbe6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-04-23T12:08:28Z",
    "title_canon_sha256": "02a5e31f49aa8c61b5ea8431e7a398bc5fc3c4d45b14f524939326865ff09b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6255",
    "kind": "arxiv",
    "version": 1
  }
}