Pith Number

pith:ESQ6LMBJ

pith:2010:ESQ6LMBJXWCOAAEWUM36XFEQZD

not attested not anchored not stored refs pending

Evacuation of rectilinear polygons

Alexander Kroeller, Chris Gray, Sandor P. Fekete

arxiv:1008.4420 v1 · 2010-08-26 · cs.DS · cs.CC · 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{ESQ6LMBJXWCOAAEWUM36XFEQZD}

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	2026-05-18T02:05:42.582044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24a1e5b029bd84e00096a337eb9490c8c559642590144cfc7e440abe37388e13

Aliases

arxiv: 1008.4420 · arxiv_version: 1008.4420v1 · doi: 10.48550/arxiv.1008.4420 · pith_short_12: ESQ6LMBJXWCO · pith_short_16: ESQ6LMBJXWCOAAEW · pith_short_8: ESQ6LMBJ

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/ESQ6LMBJXWCOAAEWUM36XFEQZD \
  | 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: 24a1e5b029bd84e00096a337eb9490c8c559642590144cfc7e440abe37388e13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecc16a93356111ff398cf1e474d807c62c12db036f007c0f3c745a0998b4c775",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-08-26T03:07:28Z",
    "title_canon_sha256": "e4048e76a4415a29c9f5c6b20012c49f7a1271bba330fab59a62f2acc57c01da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4420",
    "kind": "arxiv",
    "version": 1
  }
}