Pith Number

pith:AEGR2YFD

pith:2012:AEGR2YFDIAKBRPA44RF2RDAQTL

not attested not anchored not stored refs pending

Counting Plane Graphs: Cross-Graph Charging Schemes

Adam Sheffer, Micha Sharir

arxiv:1209.0194 v1 · 2012-09-02 · cs.CG · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AEGR2YFDIAKBRPA44RF2RDAQTL}

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	2026-05-18T03:46:29.690920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

010d1d60a3401418bc1ce44ba88c109ae8c74103a0a860823f3f3d7766526a03

Aliases

arxiv: 1209.0194 · arxiv_version: 1209.0194v1 · doi: 10.48550/arxiv.1209.0194 · pith_short_12: AEGR2YFDIAKB · pith_short_16: AEGR2YFDIAKBRPA4 · pith_short_8: AEGR2YFD

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/AEGR2YFDIAKBRPA44RF2RDAQTL \
  | 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: 010d1d60a3401418bc1ce44ba88c109ae8c74103a0a860823f3f3d7766526a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "424deb00977d760fa6a94421d06e8d217b7c602a3429bc01594ac7cc15211bbc",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2012-09-02T17:20:47Z",
    "title_canon_sha256": "085894516f4fe4f8ea63a0a20223547f0c070fa1ad78f719738b54bae15c9cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0194",
    "kind": "arxiv",
    "version": 1
  }
}