Pith Number

pith:XTVY3QUZ

pith:2018:XTVY3QUZHJKT322KK4YCKFVHH6

not attested not anchored not stored refs pending

The Complexity of Drawing a Graph in a Polygonal Region

Anna Lubiw, Debajyoti Mondal, Tillmann Miltzow

arxiv:1802.06699 v3 · 2018-02-19 · cs.CC · cs.CG · 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{XTVY3QUZHJKT322KK4YCKFVHH6}

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	2026-05-18T00:06:25.179361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bceb8dc2993a553deb4a57302516a73f8bf858e2cb037f37fe8b1e7d75abf7be

Aliases

arxiv: 1802.06699 · arxiv_version: 1802.06699v3 · doi: 10.48550/arxiv.1802.06699 · pith_short_12: XTVY3QUZHJKT · pith_short_16: XTVY3QUZHJKT322K · pith_short_8: XTVY3QUZ

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/XTVY3QUZHJKT322KK4YCKFVHH6 \
  | 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: bceb8dc2993a553deb4a57302516a73f8bf858e2cb037f37fe8b1e7d75abf7be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615d38c6d4130465b79ac4196d69a9b5251fb2e386a4fed3a944cf02f90da196",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-02-19T16:55:28Z",
    "title_canon_sha256": "dbbc52e9eefe4bb4517a2a8b7f350757cecb5b6e7d996f86552945d265d93ac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06699",
    "kind": "arxiv",
    "version": 3
  }
}