Pith Number

pith:24PNHBDA

pith:2011:24PNHBDA37RC6JPJ3TJ32RPD6X

not attested not anchored not stored refs pending

Characterizing partition functions of the vertex model

Alexander Schrijver, Dion Gijswijt, Guus Regts, Jan Draisma, L\'aszl\'o Lov\'asz

arxiv:1102.4985 v1 · 2011-02-24 · math.CO · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{24PNHBDA37RC6JPJ3TJ32RPD6X}

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	2026-05-18T04:27:57.626338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d71ed38460dfe22f25e9dcd3bd45e3f5c22b4f67fb2d60b7d9490db7c5ff0591

Aliases

arxiv: 1102.4985 · arxiv_version: 1102.4985v1 · doi: 10.48550/arxiv.1102.4985 · pith_short_12: 24PNHBDA37RC · pith_short_16: 24PNHBDA37RC6JPJ · pith_short_8: 24PNHBDA

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/24PNHBDA37RC6JPJ3TJ32RPD6X \
  | 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: d71ed38460dfe22f25e9dcd3bd45e3f5c22b4f67fb2d60b7d9490db7c5ff0591

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd9d308106d4c4257dbc2f32edffac81b46731bff9078af484d175ac4fa40428",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-02-24T13:30:45Z",
    "title_canon_sha256": "507fb016898384ded15cc9886e27e572bd7275b8b9ccdecb94d5da791f68cf02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4985",
    "kind": "arxiv",
    "version": 1
  }
}