Pith Number

pith:RZA4ZSPD

pith:2012:RZA4ZSPDLNE3BTUWXBNNKCDVTP

not attested not anchored not stored refs pending

0/1 Polytopes with Quadratic Chvatal Rank

Laura Sanita, Thomas Rothvoss

arxiv:1204.4753 v1 · 2012-04-20 · math.CO · cs.CG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZA4ZSPDLNE3BTUWXBNNKCDVTP}

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	2026-05-18T03:56:59.778582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e41ccc9e35b49b0ce96b85ad508759bd1684f2ae8ff758137c21841bcb3e3dc

Aliases

arxiv: 1204.4753 · arxiv_version: 1204.4753v1 · doi: 10.48550/arxiv.1204.4753 · pith_short_12: RZA4ZSPDLNE3 · pith_short_16: RZA4ZSPDLNE3BTUW · pith_short_8: RZA4ZSPD

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/RZA4ZSPDLNE3BTUWXBNNKCDVTP \
  | 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: 8e41ccc9e35b49b0ce96b85ad508759bd1684f2ae8ff758137c21841bcb3e3dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59af4b1d361cc6189620664383ef4dbc8f6859b0726e642270d45dc39ec3e149",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-04-20T22:01:17Z",
    "title_canon_sha256": "c8be5064807533991689f46cb46e3aed22fef9d7f4c8f4b531a995e7e1c77c10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4753",
    "kind": "arxiv",
    "version": 1
  }
}