Pith Number

pith:PNW3TJOY

pith:2014:PNW3TJOYZ5TOTLXXSLLG2M4GCN

not attested not anchored not stored refs pending

Outerplanar and planar oriented cliques

Ayan Nandy, Eric Sopena, Sagnik Sen

arxiv:1411.7192 v1 · 2014-11-26 · math.CO · 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{PNW3TJOYZ5TOTLXXSLLG2M4GCN}

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	2026-05-18T02:32:45.103833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b6db9a5d8cf66e9aef792d66d33861348ce74d42f221c9b10edbf97f4cb1d08

Aliases

arxiv: 1411.7192 · arxiv_version: 1411.7192v1 · doi: 10.48550/arxiv.1411.7192 · pith_short_12: PNW3TJOYZ5TO · pith_short_16: PNW3TJOYZ5TOTLXX · pith_short_8: PNW3TJOY

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/PNW3TJOYZ5TOTLXXSLLG2M4GCN \
  | 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: 7b6db9a5d8cf66e9aef792d66d33861348ce74d42f221c9b10edbf97f4cb1d08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fc9a652387d89e0898fd2b73a3a6c4c04b3afe2488da50dd6a7b3f2cc37bb18",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-26T11:43:57Z",
    "title_canon_sha256": "32e36f21be633617371314306cbbf86f775a4f52234590f99b6e46fb24fd3622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7192",
    "kind": "arxiv",
    "version": 1
  }
}