Pith Number

pith:3C25RNTE

pith:2017:3C25RNTEILPRAG54XEKWSTN5SZ

not attested not anchored not stored refs pending

The Geodesic $2$-center Problem in a Simple Polygon

Eunjin Oh, Hee-Kap Ahn, Jean-Lou De Carufel

arxiv:1710.09035 v1 · 2017-10-25 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3C25RNTEILPRAG54XEKWSTN5SZ}

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	2026-05-18T00:32:00.524059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8b5d8b66442df101bbcb915694dbd965d254d5621a20873ffd16b22d94ab7f7

Aliases

arxiv: 1710.09035 · arxiv_version: 1710.09035v1 · doi: 10.48550/arxiv.1710.09035 · pith_short_12: 3C25RNTEILPR · pith_short_16: 3C25RNTEILPRAG54 · pith_short_8: 3C25RNTE

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/3C25RNTEILPRAG54XEKWSTN5SZ \
  | 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: d8b5d8b66442df101bbcb915694dbd965d254d5621a20873ffd16b22d94ab7f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1eac7330c5afa7d4dbc114b8494f2485694b6d5eb3486284b4bbed64e1070d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-10-25T01:11:58Z",
    "title_canon_sha256": "961d1c221a86d740a11438f3f78b095ebad40731732d33cf73b8fbde96d5b3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09035",
    "kind": "arxiv",
    "version": 1
  }
}