Pith Number

pith:3FJSAUKY

pith:2013:3FJSAUKYXTAPKVU2DKSPCC62ZD

not attested not anchored not stored refs pending

Computing the $L_1$ Geodesic Diameter and Center of a Simple Polygon in Linear Time

Haitao Wang, Matias Korman, Sang Won Bae, Yoshio Okamoto

arxiv:1312.3711 v2 · 2013-12-13 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FJSAUKYXTAPKVU2DKSPCC62ZD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:29:39.194013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d953205158bcc0f5569a1aa4f10bdac8f048cf4bbc0c86ffd42f288fb9943bff

Aliases

arxiv: 1312.3711 · arxiv_version: 1312.3711v2 · doi: 10.48550/arxiv.1312.3711 · pith_short_12: 3FJSAUKYXTAP · pith_short_16: 3FJSAUKYXTAPKVU2 · pith_short_8: 3FJSAUKY

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/3FJSAUKYXTAPKVU2DKSPCC62ZD \
  | 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: d953205158bcc0f5569a1aa4f10bdac8f048cf4bbc0c86ffd42f288fb9943bff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf457d1a5dd1ec53a3fa52aceb48359de5cbfc992ac815b5cf88a2d1adc42f02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-12-13T05:57:03Z",
    "title_canon_sha256": "01e6842fa3eb20a9cd4700c86d9a7f39fe884fca11c458af372a7ff1d51b78ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3711",
    "kind": "arxiv",
    "version": 2
  }
}