Pith Number

pith:OOETVHON

pith:2018:OOETVHONZ7FW2LAKHF7TDDLYQN

not attested not anchored not stored refs pending

Planar CPG graphs

Bernard Ries, Esther Galby, Nicolas Champseix

arxiv:1810.08008 v1 · 2018-10-18 · 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{OOETVHONZ7FW2LAKHF7TDDLYQN}

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	2026-05-18T00:02:52.836414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73893a9dcdcfcb6d2c0a397f318d78834819d31a8672e324e1c5ff1b96d92a1d

Aliases

arxiv: 1810.08008 · arxiv_version: 1810.08008v1 · doi: 10.48550/arxiv.1810.08008 · pith_short_12: OOETVHONZ7FW · pith_short_16: OOETVHONZ7FW2LAK · pith_short_8: OOETVHON

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/OOETVHONZ7FW2LAKHF7TDDLYQN \
  | 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: 73893a9dcdcfcb6d2c0a397f318d78834819d31a8672e324e1c5ff1b96d92a1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc1399f920d996e2668a94b586986046eb0f5bcdd095a584b27a3914c1c9dbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-10-18T12:26:03Z",
    "title_canon_sha256": "b51516d2edc595ce5b6bbe9424ce2dd80cf7044a22df0388672429f2f922c568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08008",
    "kind": "arxiv",
    "version": 1
  }
}