Pith Number

pith:7462XPVI

pith:2019:7462XPVIWKBJG4QV7DOWLHLAYP

not attested not anchored not stored refs pending

Outer independent double Roman domination number of graphs

Babak Samadi, Doost Ali Mojdeh, Ismael G. Yero, Zehui Shao

arxiv:1909.01775 v1 · 2019-08-20 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7462XPVIWKBJG4QV7DOWLHLAYP}

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	2026-07-05T03:08:05.152261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff3dabbea8b282937215f8dd659d60c3fe51e40ddb49c86e292d8aae8e5a86dd

Aliases

arxiv: 1909.01775 · arxiv_version: 1909.01775v1 · doi: 10.48550/arxiv.1909.01775 · pith_short_12: 7462XPVIWKBJ · pith_short_16: 7462XPVIWKBJG4QV · pith_short_8: 7462XPVI

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/7462XPVIWKBJG4QV7DOWLHLAYP \
  | 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: ff3dabbea8b282937215f8dd659d60c3fe51e40ddb49c86e292d8aae8e5a86dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e24a6c7fd9ed1c5e911a013be993ea44aee2ad785de364c47aebb79a6a451dd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2019-08-20T13:17:15Z",
    "title_canon_sha256": "b0a21f515afd119c632a739017158127b4a397d997d457de2b4412a2a320d6b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01775",
    "kind": "arxiv",
    "version": 1
  }
}