Pith Number

pith:MUZJLWZ2

pith:2021:MUZJLWZ2H5ZQBKXAC5Y7AXMKPA

not attested not anchored not stored refs pending

W[1]-hardness of Outer Connected Dominating set in d-degenerate Graphs

Ali Shakiba, Mohammad Reza Hooshmandasl, Mohsen Alambardar Meybodi

arxiv:2111.02025 v1 · 2021-11-03 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MUZJLWZ2H5ZQBKXAC5Y7AXMKPA}

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	2026-07-05T03:28:45.921075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

653295db3a3f7300aae01771f05d8a781956bffaa4eca20381c331fa29d56ae3

Aliases

arxiv: 2111.02025 · arxiv_version: 2111.02025v1 · doi: 10.48550/arxiv.2111.02025 · pith_short_12: MUZJLWZ2H5ZQ · pith_short_16: MUZJLWZ2H5ZQBKXA · pith_short_8: MUZJLWZ2

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/MUZJLWZ2H5ZQBKXAC5Y7AXMKPA \
  | 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: 653295db3a3f7300aae01771f05d8a781956bffaa4eca20381c331fa29d56ae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eed48f53b7e3be72c1538a0f1d2d95fc5a413d11ec4bed0697f44bf9add263f9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2021-11-03T05:27:34Z",
    "title_canon_sha256": "eb3a4f87cc54f0ad291a7e7dd54b6afc0da89499c2574ed1f726830aadb166d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02025",
    "kind": "arxiv",
    "version": 1
  }
}