Pith Number

pith:XG3XFOZO

pith:2014:XG3XFOZO2SVMZRSSOTNOZ6BXEB

not attested not anchored not stored refs pending

Homomorphisms of signed planar graphs

Alexandre Pinlou, Pascal Ochem, Sagnik Sen

arxiv:1401.3308 v1 · 2014-01-14 · 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{XG3XFOZO2SVMZRSSOTNOZ6BXEB}

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	2026-05-18T03:02:18.808696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9b772bb2ed4aaccc65274daecf837207e49dc2a3dd1e0fb1ed51874aa62336c

Aliases

arxiv: 1401.3308 · arxiv_version: 1401.3308v1 · doi: 10.48550/arxiv.1401.3308 · pith_short_12: XG3XFOZO2SVM · pith_short_16: XG3XFOZO2SVMZRSS · pith_short_8: XG3XFOZO

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/XG3XFOZO2SVMZRSSOTNOZ6BXEB \
  | 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: b9b772bb2ed4aaccc65274daecf837207e49dc2a3dd1e0fb1ed51874aa62336c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61f06108c1ecd26565095095e61e40aa61afa19980fd3a41a723ffc6c6ce22da",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-01-14T19:53:26Z",
    "title_canon_sha256": "a81de1648c5512879910e08a2c198b9a90df3e967f6464953bcbc886747c33e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3308",
    "kind": "arxiv",
    "version": 1
  }
}