Pith Number

pith:4SAX2HQD

pith:2018:4SAX2HQDNOSVXBZYR6WW6SUJ6B

not attested not anchored not stored refs pending

Encoding and avoiding 2-connected patterns in polygon dissections and outerplanar graphs

Vasiliki Velona

arxiv:1802.03719 v2 · 2018-02-11 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SAX2HQDNOSVXBZYR6WW6SUJ6B}

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	2026-05-18T00:07:10.751150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4817d1e036ba55b87388fad6f4a89f04ec101820770d60fac89959bf227756d

Aliases

arxiv: 1802.03719 · arxiv_version: 1802.03719v2 · doi: 10.48550/arxiv.1802.03719 · pith_short_12: 4SAX2HQDNOSV · pith_short_16: 4SAX2HQDNOSVXBZY · pith_short_8: 4SAX2HQD

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/4SAX2HQDNOSVXBZYR6WW6SUJ6B \
  | 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: e4817d1e036ba55b87388fad6f4a89f04ec101820770d60fac89959bf227756d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9394323d8ff79cefe1b491abc715d2faff09ad8663e30fc5f556ef29882156e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-11T10:51:33Z",
    "title_canon_sha256": "25464b6ee8152700029c4d671ea75d32ef9d2a7bb0a2bfe7c5f917eafb965e83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03719",
    "kind": "arxiv",
    "version": 2
  }
}