Pith Number

pith:RHRGU43Y

pith:2014:RHRGU43YIW2QCMG2X6MBDLECPX

not attested not anchored not stored refs pending

Planar Embeddings with Small and Uniform Faces

Giordano Da Lozzo, Ignaz Rutter, Jan Kratochv\'il, V\'it Jel\'inek

arxiv:1409.4299 v1 · 2014-09-15 · cs.CG · cs.CC · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RHRGU43YIW2QCMG2X6MBDLECPX}

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	2026-05-18T02:42:45.635858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89e26a737845b50130dabf9811ac827dc1d7888a6eff956ca9cf40b4f715a78e

Aliases

arxiv: 1409.4299 · arxiv_version: 1409.4299v1 · doi: 10.48550/arxiv.1409.4299 · pith_short_12: RHRGU43YIW2Q · pith_short_16: RHRGU43YIW2QCMG2 · pith_short_8: RHRGU43Y

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/RHRGU43YIW2QCMG2X6MBDLECPX \
  | 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: 89e26a737845b50130dabf9811ac827dc1d7888a6eff956ca9cf40b4f715a78e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f838ab056e9fcde74aa0cdc6deb0cce956f6671203c260a717921e7e1110f6b0",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-09-15T15:42:07Z",
    "title_canon_sha256": "e4da035287181455963d443f12c7f49bdc14aef2528cd40f710adbbea7ece680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4299",
    "kind": "arxiv",
    "version": 1
  }
}