Pith Number

pith:NIK3L7SF

pith:2018:NIK3L7SFFZTAPLLWLWHGGQFTIN

not attested not anchored not stored refs pending

A Note on Roman \{2\}-domination problem in graphs

Changhong Lu, Hangdi Chen

arxiv:1804.09338 v3 · 2018-04-25 · math.CO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIK3L7SFFZTAPLLWLWHGGQFTIN}

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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.

Cited by

1 paper in Pith

m-Eternal Domination and Variants on Some Classes of Finite and Infinite Graphs

Receipt and verification

First computed	2026-05-17T23:53:51.433475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a15b5fe452e6607ad765d8e6340b3436b9f8301b8f800967797f84603ab8dd5

Aliases

arxiv: 1804.09338 · arxiv_version: 1804.09338v3 · doi: 10.48550/arxiv.1804.09338 · pith_short_12: NIK3L7SFFZTA · pith_short_16: NIK3L7SFFZTAPLLW · pith_short_8: NIK3L7SF

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/NIK3L7SFFZTAPLLWLWHGGQFTIN \
  | 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: 6a15b5fe452e6607ad765d8e6340b3436b9f8301b8f800967797f84603ab8dd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcee5086af4fc37ba734f602a399f6a07f6ff41028b59f881a9b91ea77052fc2",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-25T04:10:45Z",
    "title_canon_sha256": "2b9d78563d4696bbe9c9196463211fad016972e2bd1c6471d26f88d80d63debf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09338",
    "kind": "arxiv",
    "version": 3
  }
}